Problem Solvers Singlespeed Cog/Carrier 17-tooth fits Shimano-splined Freehub Bodies CheckoutSpec= Fits B.B. shells 68mm to 132mm }Velocity Aileron Rim - 700

}Velocity Aileron Rim - 700 Disc Black 32H

}Campagnolo 8/9/10-Speed 39t Chainring AFT Finish

5mm 11-Speed 48/31t 110/80 BCD Hollowtech II Spindle Interface Black

Color Blue/White Flange No Lock On Yes Grip Shift Specific No Defined Color Blue Shape Round

}Hope RX4+ Disc Brake Caliper - Flat Mount DOT Black

Problem Solvers Singlespeed Cog/Carrier 17-tooth fits Shimano-splined Freehub Bodies CheckoutSpec= Fits B.B. shells 68mm to 132mm }Velocity Aileron Rim - 700Problem Solvers Singlespeed Cog Carrier 17 tooth fits Shimano splined Freehub Bodies. Problem Solvers Cog & Carrier adapts multi speed Shimano HG freehubs for singlespeed use. Wide profile alloy cog carrier supports a single speed cog 6 bolt chromoly cog included compatible with 3 32" and 1 8" chains Carrier is splined for Shimano HG freehub compatibility Additional cogs available separately TECH SPECS Tooth Count 17 Cassette Body Type Single Cog