Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Blue Model-CT11465AA Two sizes (XS-S and M-XL)

Two sizes (XS-S and M-XL) for ideal fit

Great for track racing

Wider clearance for modern tires and wheelsets (up to 28c)

The wind of the golf cart motor driving you towards the first tee

Park Tool Up-Set Pick Set

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Blue Model-CT11465AA Two sizes (XS-S and M-XL)Wheels Mfg. SOLO XD and SOLO SPLINE Single Speed cogs are constructed with high end 7075 aluminum and designed with narrow to wide alternating tooth pattern allowing for superior chain retention. Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR and SOLO SPLINE Single Speed Conversion kit carrier systems only. Crafted with high end 7075 aluminum for light weight and extreme durability Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR