Problem 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)
WARNING: This product can expose you to chemicals, including lead, known to the state of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.