NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver frontder_clamp-31-8mm SKF damper cartridge seals

SKF damper cartridge seals

Built with versatility in mind

Flat and #2 Phillips head drivers

comes fully assembled

Can be moved to numerous times to get the correct placement

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver frontder_clamp-31-8mm SKF damper cartridge sealsSurly track cogs are threaded the same as a BMX freewheel (1. 375 x 24 tpi right hand threads). This means that they will fit on single speed rear hubs, as well as BMX freewheel hubs, but this application is not recommended. Track cogs are meant to work on track hubs only. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only Tooth Count: 19