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If you are a 1X CX, gravel or road rider and can't afford to drop a chain, the Wolf Tooth GnarWolf® braze-on chainguide is for you. Designed specifically around 1x wide/narrow chainrings the GnarWolf will keep your chain glued to your chainring in the roughest and muddiest of conditions. No other CX chainguide is as rigid or as easy to adjust as the GnarWolf. 

  • Patented infinite chainline adjustment between 45mm and 51mm via an elliptical expanding mandrel. No shims required. 

  • Infinite vertical adjustment between 34t and 46t for round and oval chainrings

  • Loosen one screw to flip the guide out of the way for easy chain removal without losing any of the guide's adjustments

  • All adjustments made with common 4 mm hex key

  • Designed for the rigors of the muddiest CX course or roughest gravel riding, the Wolf Tooth engineers made this guide extremely stiff and strong while keeping it light at 44g

  • Specific guide shaping is optimized for use with elliptical/oval and round chainrings

  • Installation takes just a few minutes – no need to remove your crank arms



  • Designed to fit on any bike with an integral braze-on mount. If you have a round seat tube with no braze-on mount, you can buy a braze-on adapter
  • Designed to accommodate chainlines from approx. 45mm to 51mm
  • Minimum distance of 10 mm between crank and center of ring
  • See photos above as installation guide
  • Optimized for use with both elliptical and round 34t-46t chainrings
  • For 1x use only
  • Not compatible with crankset mounted bashrings
Note: Braze-on mount is not at the same height on all bikes so max chainring size will vary somewhat depending on frame brand and model

    Related products

    Drop-Stop® chainrings


    Tech Specs

    Weight:  44g
    Material: 6061-T6 with stainless steel hardware
    Made in the USA
    US Patent

      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​

      Patent and trademark information

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