Singlespeed cromoly steel cog by Problem Solvers featuring a 6-bolt hole pattern, just like disc rotors, so you can attach it to hubs with disc rotor mount drivers or to normal hub for fixed-gear use. 1/8 inch wide.
Included in delivery: 1 cog carrier incl. one cog with the chosen number of teeth
Material: cog: heat treated cromoly steel
carrier: alloy












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