Problem Solvers Singlespeed Cog/Carrier 19-tooth fits Shimano-splined Freehub Bodies

Problem Solvers Singlespeed Cog/Carrier 19-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