Wolf Tooth Single Speed Aluminum Cog - 19t, Compatible with 3/32" Chains, Blue

These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners. Item weight: 21g Crafted with strong and lightweight premium 7075-T6 aluminum Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body Fits Shimano Hyperglide style freehub splines Not compatible with Shimano Microspline or SRAM XD freehubs Not compatible with Campagnolo 13-speed chains Item Specifications Cassette Body Type Shimano HG Defined Color Blue Drivetrain Speeds Single Speed 3/32" Material Aluminum Tooth Count 19 Wolf Tooth Aluminum Single Speed Cog Driver and Single Cog UPC: 812719023177