- These aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners. They are reversible and feature a 4.5 mm width at the base that won't dig into your freehub body.
- These will fit on Shimano Hyperglide style freehub spline (geared or single speed)
- Not compatible with Shimano Microspline or SRAM XD freehubs
- Designed to work with any chain through 12-speed
- Tooth width optimized for 9,10, and 11-speed chains
- Not compatible with Campagnolo Ekar 13-speed chains
- Weight: 16T / 14.5g | 17T / 16.5g | 18T / 19g | 19T / 21g | 20T / 23.5g | 22T / 28g
- Material: 7075-T6 Aluminum
- Made in the USA
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