Problem Solvers Singlespeed Cog/Carrier 17-tooth fits Shimano-splined Freehub Bodies BMX Grips Manufacturer Part Number: W0H1900BFIXSA07771

Manufacturer Part Number: W0H1900BFIXSA07771

Manufacturer Part Number: EFCRX600102CX60

- Saves over 150g from the stock ring and spider

RC1459 SM4123

Manufacturer Part Number: 300-1000-361

Problem Solvers Singlespeed Cog/Carrier 17-tooth fits Shimano-splined Freehub Bodies BMX Grips Manufacturer Part Number: W0H1900BFIXSA07771Problem 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 Product Specifics Tooth Count: 17 Cassette Body Type: Single Cog Driver Drivetrain Speeds: Single Material: Steel Defined Color: Silver Today's