Wolf Tooth Components  GnarWolf Chain Guide - ISCG-05 Mount

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Designed to help prevent dropped chains on the toughest terrain, the Wolf Tooth Components GnarWolf chain guide works with most bikes that have an ISCG-05 mount and a 1x wide/narrow chainring.


  • Made for the rigors of enduro, heavy trail, mud and even downhill riding
  • Wolf Tooth Components made this guide extremely stiff and strong while keeping it light at 44 g
  • Patented infinite chainline adjustment between 48 mm and 54 mm via an elliptical expanding mandrel; no shims required
  • Infinite vertical adjustment between 28T and 36T for round chainrings and 28T and 34T for elliptical 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 (not included)
  • Specific guide shaping is optimized for use with elliptical and round chainrings
  • Installation takes just a few minutes with no need to remove your crank arms
  • Compatibility: Designed to fit on any bike with an ISCG-05 mount; for 1x use only; minimum distance of 10 mm between crank and center of ring
  • Not compatible with crankset-mounted bash rings; due to frame and bike geometry there will be some bikes that need modifications or won't work

Made in USA.

Wolf Tooth Components advises that due to frame and bike geometry, there will be some bikes that need modifications or flat out won't work. Here are the known exceptions:
  • Ibis Mojo 3: will not work.
  • Ibis Ripmo: will not work.
  • Ibis Ripley: will not work.
  • Specialized Stumpjumper 2016–2017 models require 1 mm of spacers (washers will work) between the frame's ISCG05 mounts and the guide (the guide interferes with the frame otherwise).
  • Evil The Following: will not work (upper swing arm interferes).
  • Santa Cruz Tallboy: will not work.
View all Wolf Tooth Components Chain Guides

Technical Specs

Item #224395
Best Use

Mountain Biking


6061-T6 aluminum chain guide with stainless-steel hardware


44 grams

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