Wolf Tooth Aluminium Single Speed Cog - Shimano HG Splined - Black - Single Speed - 20T PLP|EMTB Optimised With light and smooth shifting

With light and smooth shifting across a wide range of gears they tick every box

3/8" square socket or 1-inch hex for ratchet/torque wrench

The larger end fits the 6-splines of the 9mm OD of the threaded eyelets of the "FORE drilled rim adapters" found on rims such as the Mavic XM819

MatchMaker™ compatible brake set provides all the power of its siblings

it will be dependable for years to come

Wolf Tooth Aluminium Single Speed Cog - Shimano HG Splined - Black - Single Speed - 20T PLP|EMTB Optimised With light and smooth shiftingReplacement cogs for your single speed bike. Wolftooth single speed cogs are light, durable and available in a range of colours and sizes. Features: Weights: 22T= 23g . 20T= 20g . 19T= 18g . 18T= 16g . 17T= 15g . Compatible with Shimano style freehub splines. Designed to work with all chains, however, the cog is optimised for 10 and 11 speed chains. 7075 T6 aluminium. 4. 5mm width to prevent wear to your freehub body. Please note: Depending on your