Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple CheckoutTitle=Schwalbe Magic Mary 27.5 Tire } For leisure use on

} For leisure use on mixed terrain

Both feature a highly disruptive Daytime Flash mode

winning the Maglia Rosa

Chainring is compatible with only TQ Motor drive systems

MM-ISII is for a SRAM MatchMaker shifter mounting to a Shimano I-SPEC II brake

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple CheckoutTitle=Schwalbe Magic Mary 27.5 Tire } For leisure use onCogs 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 purple