SOLO-HG Singlespeed Cog, 20t, Black

- Compatible with Shimano HG style hubs\n- Cogs are designed with narrow-wide alternating tooth pattern allowing for superior chain retention\n- Fits 9,10 and 11 spd chains, 12spd chains (SRAM Eagle, KMC, SRAM Road and Transmission T-Type Flattop chains)\n- Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains\n- Wide cog base helps avoid damage to freehub body