Wolf Tooth Components Single Speed Cog (Black) (3/32") (Aluminum) (17T) - AL-SS-COG17
Wolf Tooth Components Single Speed Cog (Black) (3/32") (Aluminum) (17T) - AL-SS-COG17, Wolf Tooth Components Single Speed Cog (Black) (3/32") (Aluminum) (17T) - AL-SS-COG17