Problem Solvers Single Speed Cogs

was designed to allow you to run a single speed drivetrain on a SRAM XD/XDR freehub body without the need to get a new wheelset. The Solo-XD conversion kit utilizes a base ...

to convert your conventional hub with a Shimano freewheel body to a single-speed drive. The Reverse Components single speed cog comes with an extra-wide flange of 7mm, which improves the power transmission ...

Industries Single Speed Freewheels. It is made of 8620 hardened steel and features an Enduro chromium steel bearing.

with ramped spacers. Black anodized.