Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Length-143 grip color orange clamp color

grip color orange clamp color black length 130mm diameter 30mm

Made with 60% carbon

the World Cup Pro base is primed for exceptional gliding capabilities

} Tightly spaced

Wear optimized ring design

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits BLK Length-143 grip color orange clamp colorCogs 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 SPECS model SOLO XD description SOLO XD replacement cog teeth 21 chain 9 12sp color black