NEW Problem Solvers Singlespeed Cog 16t fits Problem Solvers Carrier or 6-bolt hubs groupset_family_grx Derailleur provides instantaneous shifting from

Derailleur provides instantaneous shifting from a single touch

Mesh straps

Problem Solvers headset spacers help riders get their stack height just right

Brake Lever Use: Left or Right

NEW Problem Solvers Singlespeed Cog 16t fits Problem Solvers Carrier or 6-bolt hubs groupset_family_grx Derailleur provides instantaneous shifting fromProblem 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: 16 Cassette Body Type: Single Cog Driver Defined Color: Silver Material: Steel Drivetrain Speeds: 1