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Wolf 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.

 

Compatibility

  • Any frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.
  • Uppers and lowers sold separately.
  • Enduro stainless steel sealed bearings included on both the upper and lower.
  • Upper 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 compression plug (sold separately). (Never use a star nut on a carbon steerer tube).

        

Upper assembly features:

  • Ultralight stem cap with integrated spacer plus an aluminum bolt and a star nut.
  • 6, 15 and 25 mm stack height top cover options  (6mm cover = 6mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack).
  • O-ring seal prevents water intrusion around steerer tube.
  • Custom-molded upper lip seal provides additional protection for upper bearing.
Lower assembly features:
  • Custom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.
  • All components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.
  • Service and additional parts available.

Recommendations

The Wolf Tooth crown race installation adapter will help avoid damaging the crown race seals.

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Tech Specs

Weight: 55-58g
Material: 6061 aluminum

Made in the USA

  WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.​

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