{"title":"PREMIUM HEADSETS","description":"","products":[{"product_id":"wolf-tooth-premium-ec-headsets-external-cup","title":"Wolf Tooth Premium EC Headsets - External Cup","description":"\u003cp\u003eWolf Tooth headsets are machined in the USA with aircraft-grade 6061 aluminum. Our headsets have three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These EC headsets are for frames with external bearing cups, which places the bearing outside of the frame with these headsets. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStack height designation for EC headsets includes 10mm cup (see tech specs).\u003c\/li\u003e\n\u003cli\u003eAny frame that uses an external cup headset with a 34mm upper head tube. inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eA \u003ca title=\"Crown Race Adapter\" href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-adapters\"\u003ecrown race adapter\u003c\/a\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e(sold separately)\u003c\/span\u003ewill allow you to use forks with smaller 1-1\/8\" or 1-1\/4\" steerer tubes with a larger 1-1\/2\" bottom headset cup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"gmail-il\"\u003eEC34 Lowers are not compatible with Surly 1-1\/8\" straight steerer\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail-il\"\u003eforks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\" alt=\"Wolf Tooth Headset parts\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e5mm cover = 16mm total stack, 15mm cover = 25mm total stack, 25mm cover = 35mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003e12.25mm stack.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-ec-headsets-external-cup\"\u003ePerformance EC Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003eEC44 lower • 45g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC49 lower •  54g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 lower • 37g \u003cstrong\u003e |\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 5mm upper • 64g\u003cstrong\u003e  |\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 15mm Upper • 70g \u003cstrong\u003e | \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEC34 25mm upper • 79g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Black","offer_id":7049254764579,"sku":"EC34U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Red","offer_id":7060723367971,"sku":"EC34U-5MM-RED","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Blue","offer_id":7060723400739,"sku":"EC34U-5MM-BLU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Orange","offer_id":7060723499043,"sku":"EC34U-5MM-ORG","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Gold","offer_id":7060723531811,"sku":"EC34U-5MM-GLD","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Raw Silver","offer_id":40294547914787,"sku":"EC34U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Ultraviolet Purple","offer_id":40722417025059,"sku":"EC34U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 25mm Stack \/ Black","offer_id":7060723597347,"sku":"EC34U-15MM-BLK","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 25mm Stack \/ Red","offer_id":7060723630115,"sku":"EC34U-15MM-RED","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 25mm Stack \/ Orange","offer_id":7060723761187,"sku":"EC34U-15MM-ORG","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Black","offer_id":7060723859491,"sku":"EC34U-25MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Red","offer_id":7060723892259,"sku":"EC34U-25MM-RED","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Orange","offer_id":7060724088867,"sku":"EC34U-25MM-ORG","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Gold","offer_id":7060724121635,"sku":"EC34U-25MM-GLD","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Black","offer_id":7060922007587,"sku":"EC34L-30-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Red","offer_id":7060922040355,"sku":"EC34L-30-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Blue","offer_id":7060922073123,"sku":"EC34L-30-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Orange","offer_id":7060922171427,"sku":"EC34L-30-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Gold","offer_id":7060922204195,"sku":"EC34L-30-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Raw Silver","offer_id":40294547947555,"sku":"EC34L-30-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Ultraviolet Purple","offer_id":40722417057827,"sku":"EC34L-30-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Black","offer_id":7060922269731,"sku":"EC44L-40-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Red","offer_id":7060922302499,"sku":"EC44L-40-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Blue","offer_id":7060922335267,"sku":"EC44L-40-BLU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC44\/40 \/ Orange","offer_id":7060922433571,"sku":"EC44L-40-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Gold","offer_id":7060922466339,"sku":"EC44L-40-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Raw Silver","offer_id":40294547980323,"sku":"EC44L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Ultraviolet Purple","offer_id":40722417090595,"sku":"EC44L-40-PRU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC49\/40 \/ Black","offer_id":7060922531875,"sku":"EC49L-40-BLK","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Red","offer_id":7060922564643,"sku":"EC49L-40-RED","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Blue","offer_id":7060922597411,"sku":"EC49L-40-BLU","price":59.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC49\/40 \/ Orange","offer_id":7060922695715,"sku":"EC49L-40-ORG","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Gold","offer_id":7060922728483,"sku":"EC49L-40-GLD","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/products\/WT-EC34U-5MM-RED-01_26f9d910-2561-4138-a1be-df31a13b401b.jpg?v=1702078192"},{"product_id":"wolf-tooth-premium-zs-headsets-zero-stack","title":"Wolf Tooth Premium ZS Headsets - Zero Stack","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6, 15 and 25 mm stack height top cover options  (6mm cover = 6mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack).\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Black","offer_id":7049404710947,"sku":"ZS44U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Red","offer_id":7049461694499,"sku":"ZS44U-5MM-RED","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Blue","offer_id":7049461727267,"sku":"ZS44U-5MM-BLU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Orange","offer_id":7049461825571,"sku":"ZS44U-5MM-ORG","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Gold","offer_id":7049461858339,"sku":"ZS44U-5MM-GLD","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Raw Silver","offer_id":40294530154531,"sku":"ZS44U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Ultraviolet Purple","offer_id":40722399002659,"sku":"ZS44U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 15mm Stack \/ Black","offer_id":7049461923875,"sku":"ZS44U-15MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Black","offer_id":7049462186019,"sku":"ZS44U-25MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Red","offer_id":7049462218787,"sku":"ZS44U-25MM-RED","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Blue","offer_id":7049462251555,"sku":"ZS44U-25MM-BLU","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Orange","offer_id":7049462349859,"sku":"ZS44U-25MM-ORG","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Gold","offer_id":7049462382627,"sku":"ZS44U-25MM-GLD","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Black","offer_id":7049462513699,"sku":"ZS56L-40-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Red","offer_id":7049462546467,"sku":"ZS56L-40-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Blue","offer_id":7049462612003,"sku":"ZS56L-40-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Orange","offer_id":7049462710307,"sku":"ZS56L-40-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Gold","offer_id":7049462743075,"sku":"ZS56L-40-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Raw Silver","offer_id":40294530187299,"sku":"ZS56L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Ultraviolet Purple","offer_id":40722399035427,"sku":"ZS56L-40-PRU","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/products\/WT-ZS44U-5MM-BLU-01.jpg?v=1702067752"},{"product_id":"wolf-tooth-premium-is-headsets-integrated-standard","title":"Wolf Tooth Premium IS Headsets - Integrated Standard","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These IS headsets are for frames with molded-in internal bearing cups. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses IS (Integrated Standard) headsets with 41mm upper and 52mm lower outer bearing diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately. \u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eIS42 is not compatible with Specialized mountain bikes or bikes using the Campagnolo Hiddenset standard\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\" title=\"Wolf Tooth color shop - choose color components for your bike\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" width=\"155\" height=\"186\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap with Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e7, 15, and 25mm stack height top cover options (7mm cover = 8mm total stack, 15mm cover = 15mm total stack, 25mm cover = 25mm total stack.)\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003cli\u003ebearing top cap outer diameter 45.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eLower assembly features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIS lower headset consists of a bearing and crown race only. The crown race is black anodized and not visible when installed.\u003c\/li\u003e\n\u003cli\u003eCustom over-molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eHeadset components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eService and additional parts available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-is-headsets-integrated-standard\"\u003ePerformance IS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 7mm • 52g  |  15mm • 59g  |  25mm • 66g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_30.2X41X6.5_FOR_WEBSITE_1.pdf?v=1740513597\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Black","offer_id":7049977200675,"sku":"IS41U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Red","offer_id":7050244390947,"sku":"IS41U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Blue","offer_id":7050244423715,"sku":"IS41U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Orange","offer_id":7050244522019,"sku":"IS41U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Gold","offer_id":7050244554787,"sku":"IS41U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Raw Silver","offer_id":40294562725923,"sku":"IS41U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":40722448678947,"sku":"IS41U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Black","offer_id":32382897717283,"sku":"IS42U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Red","offer_id":32382898438179,"sku":"IS42U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Blue","offer_id":32382898634787,"sku":"IS42U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Orange","offer_id":32382902304803,"sku":"IS42U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Gold","offer_id":32382902763555,"sku":"IS42U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Raw Silver","offer_id":40353227833379,"sku":"IS42U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":40722448711715,"sku":"IS42U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ IS52\/40 \/ Black","offer_id":7050245242915,"sku":"IS52L-40","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/products\/WT_IS_7M_BLK_01.jpg?v=1707771070"},{"product_id":"wolf-tooth-premium-is-headsets-for-specialized-integrated-standard","title":"Wolf Tooth Premium IS Headsets for Specialized - Integrated Standard","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061-T6 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. This has a stack height of 3mm and is available in a variety of colors to match other Wolf Tooth anodized color options. These IS headsets are made exclusively for Specialized frames with molded-in internal bearing cups. Like all Wolf Tooth Premium Headsets with Enduro stainless steel bearings, the Premium IS Headset for Specialized has a lifetime warranty on the bearings.  \u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUppers and lowers sold separately. \u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\" title=\"compression plug for forks with carbon steerer tubes\" target=\"_blank\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSome bikes, like the Stumpjumper EVO, have an adjustable headset that resembles a ZS headset where an upper cup is pressed into the frame. Our bearing will fit into that cup and our top cap will fit neatly on top. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNot compatible with 2020 or newer Specialized Road\/ Gravel Bikes, or 2024 and new Epic Evos \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasuring to determine compatibility with your Specialized frame\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisassemble the headset, remove upper bearing from the frame\u003c\/li\u003e\n\u003cli\u003eUse the depth blade on a caliper to measure from the top of the headtube to the corner where the 45˚ taper starts\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg alt=\"Measuring your Specialized Headtube\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialzed_Headtube_Dimensions_480x480.jpg?v=1620148153\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKnown Compatible Specialized Bike Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 30px;\"\u003eAluminum Mountain Bikes (except pre-2017 Chisel HT aluminum)\u003cbr\u003eCamber Carbon  |  2014\u003cbr\u003eChisel Alloy HT (Smartweld HT) \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017-2021\u003cbr\u003eEnduro 29 Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2014\u003cbr\u003eEnduro Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017, 2020\u003cbr\u003eEpic Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2014\u003cbr\u003eEpic FSR \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eEpic FSR Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2018\u003cbr\u003eEpic HT \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017, 2020\u003cbr\u003eFatboy Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2015\u003cbr\u003eFuse Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017\u003cbr\u003eStumpjumper \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eStumpjumper Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2019\u003cbr\u003eStumpjumper EVO \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eStumpjumper FSR Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2016\u003cbr\u003eTurbo Levo\u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\" title=\"Wolf Tooth Headset Measurement Guide\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\" title=\"Wolf Tooth Headset Replacement Parts\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\" title=\"Wolf Tooth Headset Tech\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialzed_Headtube_Dimensions_02.pdf?v=1620153275\" title=\"Wolf Tooth Headset for Specialized\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialized_Headset_160x160.jpg?v=1620148826\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked__ISspecialized_stainless_Labels.jpg?v=1616524896\" alt=\"IS headset for Specialized\"\u003e\u003c\/p\u003e\n\u003cp\u003eUpper assembly features: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap with 5mm Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003eOne 3mm stack height top cover option.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"IS Headset for Specialized\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_HEADSET_IIS42U-SPEC-3MM-CAD_02.jpg?v=1616520597\"\u003e\u003c\/p\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\" title=\"Wolf Tooth Crown Race Installation Adaptor\" target=\"_blank\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\" title=\"Wolf Tooth Precision Headset Spacers\" target=\"_blank\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\" title=\"Wolf Tooth Crown Race Installation Adaptor\" target=\"_blank\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-is-headsets-integrated-standard\" title=\"Wolf Tooth Performance IS Headsets\" target=\"_blank\"\u003ePerformance IS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3mm • 43g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_30.2X41X6.5_FOR_WEBSITE_1.pdf?v=1740513597\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\" title=\"Wolf Tooth Patent and Trademark Information\" target=\"_blank\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper \/ Black","offer_id":39263870877731,"sku":"IS42U-SPEC-3MM-BLK","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ Gold","offer_id":39263871107107,"sku":"IS42U-SPEC-3MM-GLD","price":64.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/products\/WT_HEADSET_IIS42U-SPEC-3MM-CAD.jpg?v=1702065593"},{"product_id":"wolf-tooth-premium-headsets-limited-edition-espresso","title":"Wolf Tooth Premium Headsets – Espresso","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold together as a set.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\" title=\"Wolf Tooth color shop - choose color components for your bike\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" width=\"155\" height=\"186\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6 mm stack height top cover only\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper and Lower \/ ZS44\/28.6 6mm Stack Upper \/ ZS56 Lower \/ Espresso","offer_id":39660821086243,"sku":"ZS44U-ZS56L-ESP","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Upper and Lower \/ ZS44\/28.6 6mm Stack Upper \/ EC44 Lower \/ Espresso","offer_id":39660823773219,"sku":"ZS44U-EC44L-ESP","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/products\/WT_ZS44U-EC44L-ESP.png?v=1702137048"},{"product_id":"wolf-tooth-premium-headsets-olive","title":"Wolf Tooth Premium Headsets - Olive","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold together as a set.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6 mm stack height top cover only\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e129-136g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Olive \/ ZS44 Upper ZS56 Lower Premium Headset","offer_id":40096312852515,"sku":"ZS44U-ZS56L-OLV","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ ZS44 Upper EC44 Lower Premium Headset","offer_id":40096312885283,"sku":"ZS44U-EC44L-OLV","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ EC34 Upper EC34 Lower Premium Headset","offer_id":40096312918051,"sku":"EC34U-EC34L-OLV","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_EC34U-EC34L-OLV.jpg?v=1702142992"},{"product_id":"wolf-tooth-premium-internal-headset-for-enve-in-route-system","title":"Wolf Tooth Premium EC44 Internal Aero Headset for ENVE IN-Route System","description":"\u003cp\u003eWolf Tooth Premium Internal Headsets for ENVE IN-Route System are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the ENVE IN-Route System with a 44mm straight headtube and a 1-1\/8” to 1.5” tapered steerer tube\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(FITS ONLY ENVE In-Route System)\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse top cap and split spacers provided with ENVE stems and one-piece cockpits.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower EC44 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eTwo 0.5mm spacers are included to dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 15.8mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 12.25mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 44mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCup External Diameter - 56.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUpper Headset - 69g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLower Headset - 47g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eComplete Headset - 116g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eBevel Angle: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium Enduro stainless steel bearings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal o-ring top cap seal prevents water intrusion around the steerer tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom-molded upper cup lip seal provides additional protection for the upper bearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" title=\"Centerlock rotor lockrings collection hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" title=\"Aero chainrings collection page hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" rel=\"noopener\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Wolf Tooth color shop - choose color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShop_Icon_076a0ed1-d684-47b3-9dd7-e0bb13561f8c_160x160.jpg?v=1747163023\"\u003e\u003c\/a\u003e\u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"EC44 Upper \u0026 Lower Set \/ Gold","offer_id":40516088561699,"sku":"EC44U-L-IR-GLD","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Orange","offer_id":40516088856611,"sku":"EC44U-L-IR-ORG","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Red","offer_id":40516088463395,"sku":"EC44U-L-IR-RED","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":40729093734435,"sku":"EC44U-L-IR-PRU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Blue","offer_id":40516088496163,"sku":"EC44U-L-IR-BLU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Raw Silver","offer_id":40516089184291,"sku":"EC44U-L-IR-RSIL","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Black","offer_id":40516088430627,"sku":"EC44U-L-IR-BLK","price":219.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/EC44U-L-IR-RSIL_EC44L-40.jpg?v=1773109590"},{"product_id":"wolf-tooth-premium-is52-internal-headset-for-enve-in-route-system","title":"Wolf Tooth Premium IS52 Internal Aero Headset for ENVE IN-Route System","description":"\u003cp\u003eWolf Tooth Premium Internal Headsets for ENVE IN-Route System are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the ENVE IN-Route System and compatible with bikes that use an IS52 upper \/ lower headset and a 1-1\/8” to 1.5” tapered steerer tube\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(FITS ONLY ENVE In-Route System)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUse top cap and split spacers provided with ENVE stems and one-piece cockpits.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower IS52 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eTwo 0.5mm spacers are included to dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 3.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 0mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 52mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e52mm 36x45 Upper And Lower Bearings\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUpper Headset - 50g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLower Headset - 28g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eComplete Headset - 78g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium Enduro stainless steel bearings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal o-ring top cap seal prevents water intrusion around the steerer tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom-molded upper cup lip seal provides additional protection for the upper bearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eContact sales@wolftoothcomponents.com for fitment and compatibility questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" title=\"Centerlock rotor lockrings collection hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" title=\"Aero chainrings collection page hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" rel=\"noopener\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\" style=\"text-align: left;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"IS52 Upper \u0026 Lower Set \/ Black","offer_id":40609726496803,"sku":"IS52U-L-IR-BLK","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Red","offer_id":40609726529571,"sku":"IS52U-L-IR-RED","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Blue","offer_id":40609726562339,"sku":"IS52U-L-IR-BLU","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Gold","offer_id":40609726627875,"sku":"IS52U-L-IR-GLD","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Orange","offer_id":40609726660643,"sku":"IS52U-L-IR-ORG","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Raw Silver","offer_id":40609726693411,"sku":"IS52U-L-IR-RSIL","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":40609726595107,"sku":"IS52U-L-IR-PRU","price":179.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/IS52U-L-IR-BLK.jpg?v=1735728338"},{"product_id":"wolf-tooth-premium-ec44-internal-headset-for-enve-in-route-system-purple","title":"Wolf Tooth Premium EC44 Internal Aero Headset for ENVE IN-Route System - Purple","description":"\u003cp\u003eWolf Tooth Premium Internal Headsets for ENVE IN-Route System are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the ENVE IN-Route System with a 44mm straight headtube and a 1-1\/8” to 1.5” tapered steerer tube\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(FITS ONLY ENVE In-Route System)\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse top cap and split spacers provided with ENVE stems and one-piece cockpits.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower EC44 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eTwo 0.5mm spacers are included to dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" title=\"Centerlock rotor lockrings collection hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" title=\"Aero chainrings collection page hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" rel=\"noopener\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"160\" height=\"160\"\u003e\u003c\/a\u003e \u003c\/strong\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\"\u003e \u003cimg height=\"160\" width=\"160\" style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_160x160.jpg?v=1590091876\"\u003e \u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShop_Icon_076a0ed1-d684-47b3-9dd7-e0bb13561f8c_160x160.jpg?v=1747163023\" alt=\"Wolf Tooth color shop - choose color components for your bike\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 15.8mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 12.25mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 44mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eCup External Diameter - 56.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUpper Headset - 69g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eLower Headset - 47g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eComplete Headset - 116g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium Enduro stainless steel bearings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal o-ring top cap seal prevents water intrusion around the steerer tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom-molded upper cup lip seal provides additional protection for the upper bearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"EC44 Upper \u0026 Lower Set \/ Classic Purple","offer_id":40727650041891,"sku":"EC44U-L-IR-PRP","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/EC44U-L-IR-PRP_EC44L-40.jpg?v=1726322679"},{"product_id":"premium-headset-build-kit-bundle","title":"Premium Headset Build Kit Bundle","description":"","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":40764288204835,"sku":"","price":147.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/PremiumHeadsetBuildKitBundle.jpg?v=1741973009"},{"product_id":"premium-headset-bottom-bracket-and-seatpost-clamp-bundle","title":"Premium Headset, Bottom Bracket, and Seatpost Clamp Bundle","description":"","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":40831119786019,"sku":"","price":239.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_BB_HEADSET_CLAMP_BLU.jpg?v=1769105596"},{"product_id":"wolf-tooth-premium-ec44-aero-headset-for-semi-internal-routing","title":"Wolf Tooth Premium EC44 Aero Headset for Semi-Internal Routing","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWolf Tooth Premium EC44 Aero Headsets for Semi-Internal Routing are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a seven Color Shop anodized finishes. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for semi-internal cable routing to allow the use of standard 1-1\/8\" stems and headset spacers with bikes that use an EC44 upper \/ lower headset and a 1-1\/8” to 1.5” tapered steerer tube.\u003c\/li\u003e\n\u003cli\u003eOnly compatible with frames designed for through-the-headset routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower EC44 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eIncludes 2x 0.3mm plastic shims to help dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 20.1mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 12.25mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 44mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eCup External Diameter - 56.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e52mm 36x45 Upper And Lower Bearings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003eUpper Headset: 73 g\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003eLower Headset: 47 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium stainless steel Enduro bearings for ultimate corrosion protection.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSix cable ports (two hydraulic brake lines + four mechanical cable lines).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded captive rubber seal at the cable entry ports that stops any water or debris from getting in with the brake hoses or shift cables.\u003c\/li\u003e\n\u003cli\u003eCustom lip seal on the outside of the headset cap interfaces with the frame or EC44 cup to stop any water or debris from getting into upper the bearing.\u003c\/li\u003e\n\u003cli\u003eCustom overmolded dual-lip crown race seal interfaces with frame to stop any water or debris from getting into the lower bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eContact sales@wolftoothcomponents.com for fitment and compatibility questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMachined in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Seatpost Clamps Hyperlink\" href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-seatpost-clamp\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Centerlock rotor lockrings collection hyperlink\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Aero chainrings collection page hyperlink\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n  \u003cdiv class=\"PdpSqImgLinks\"\u003e\n  \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\"\u003e\u003c\/a\u003e \u003ca title=\"Semi-Internal Headset User Manual\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/semi-internal-headset-user-manual\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Semi-Internal Headset User Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Semi-Internal_Headset_User_Manual.webp?v=1773328242\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\"\u003e\u003c\/a\u003e \u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShop_Icon_076a0ed1-d684-47b3-9dd7-e0bb13561f8c_160x160.jpg?v=1747163023\" alt=\"Wolf Tooth color shop - choose color components for your bike\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"EC44 Upper \u0026 Lower Set \/ Gold","offer_id":41905180934179,"sku":"EC44U-SEIR-GLD","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Orange","offer_id":41905180966947,"sku":"EC44U-SEIR-ORG","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Red","offer_id":41905180999715,"sku":"EC44U-SEIR-RED","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":41905181032483,"sku":"EC44U-SEIR-PRU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Blue","offer_id":41905181065251,"sku":"EC44U-SEIR-BLU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Raw Silver","offer_id":41905181098019,"sku":"EC44U-SEIR-RSIL","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Black","offer_id":41905181130787,"sku":"EC44U-SEIR-BLK","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/EC44U-SEIR-ORG_3f52a2e4-87d0-4f91-b41d-1ebb288f5bd3.jpg?v=1773242031"},{"product_id":"wolf-tooth-premium-is52-aero-headset-for-semi-internal-routing","title":"Wolf Tooth Premium IS52 Aero Headset for Semi-Internal Routing","description":"\u003cp\u003eWolf Tooth Premium IS52 Aero Headsets for Semi-Internal Routing are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a seven Color Shop anodized finishes. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for semi-internal cable routing to allow the use of standard 1-1\/8\" stems and headset spacers with bikes that use an IS52 upper \/ lower headset and a 1-1\/8” to 1.5” tapered steerer tube.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eOnly compatible with frames designed for through-the-headset routing.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower IS52 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eIncludes 2x 0.3mm plastic shims to help dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Height - 7.8mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 0mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 52mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e52mm 36x45 Upper And Lower Bearings\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003eUpper Headset: 54 g\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003eLower Headset: 28 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium stainless steel Enduro bearings for ultimate corrosion protection.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSix cable ports (two hydraulic brake lines + four mechanical cable lines).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded captive rubber seal at the cable entry ports that stops any water or debris from getting in with the brake hoses or shift cables.\u003c\/li\u003e\n\u003cli\u003eCustom lip seal on the outside of the headset cap interfaces with the frame or EC44 cup to stop any water or debris from getting into upper the bearing.\u003c\/li\u003e\n\u003cli\u003eCustom overmolded dual-lip crown race seal interfaces with frame to stop any water or debris from getting into the lower bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eContact sales@wolftoothcomponents.com for fitment and compatibility questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMachined in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" title=\"Centerlock rotor lockrings collection hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" title=\"Aero chainrings collection page hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" rel=\"noopener\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\" style=\"text-align: left;\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Semi-Internal Headset User Manual\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/semi-internal-headset-user-manual\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Semi-Internal Headset User Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Semi-Internal_Headset_User_Manual.webp?v=1773328242\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"IS52 Upper \u0026 Lower Set \/ Black","offer_id":41905181851683,"sku":"IS52U-SEIR-BLK","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Red","offer_id":41905181884451,"sku":"IS52U-SEIR-RED","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Blue","offer_id":41905181917219,"sku":"IS52U-SEIR-BLU","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Gold","offer_id":41905181949987,"sku":"IS52U-SEIR-GLD","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Orange","offer_id":41905181982755,"sku":"IS52U-SEIR-ORG","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Raw Silver","offer_id":41905182015523,"sku":"IS52U-SEIR-RSIL","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":41905182048291,"sku":"IS52U-SEIR-PRU","price":179.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/IS52U-SEIR-GLD.jpg?v=1773109559"}],"url":"https:\/\/www.wolftoothcomponents.com\/collections\/premium-headsets.oembed","provider":"Wolf Tooth Components","version":"1.0","type":"link"}