NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver frontder_clamp-31-8mm Be it the long tour

Be it the long tour

Can be moved to numerous times to get the correct placement

and is built around our hand adjusted cup and cone bearing system

Links (links): 112

Directional ramped center knobs provide low rolling resistance

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver frontder_clamp-31-8mm Be it the long tourSurly 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