Wheels Manufacturing SOLO-SPEED Cog – 19t Fits SOLO-SPLINE SOLO-XD kits Purple

Cogs are designed with narrow-wide alternating tooth pattern allowing for superior chain retention Cogs are optimized for use with Solo-XD Carrier system only Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains TECH SPECSmodelSOLO-XDdesc