NEW Problem Solvers Singlespeed Cog 21t fits Problem Solvers Carrier or 6-bolt hubs height_5ft-08in Includes top cap and long

Includes top cap and long bolt

With no magnets or other exposed parts to line up

Polished alloy cups

Removable valve core allows for fast cleaning and uninterrupted air flow

NEW Problem Solvers Singlespeed Cog 21t fits Problem Solvers Carrier or 6-bolt hubs height_5ft-08in Includes top cap and longProblem Solvers Singlespeed 6 bolt Cogs are designed to be used with the Problem Solvers Cog Carrier. Compatible with 3 32" and 1 8" chains Cog is also 6 bolt rotor mount compatible for fixed gear use (see instructions for applicable warnings) Tooth Count: 21 Cassette Body Type: Single Cog Driver Defined Color: Silver Material: Steel Drivetrain Speeds: 1