NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano Length: 12 mm

Length: 12 mm

Compatible with metal and resin brake pads

anodized or polished finish

glueless tire patch kit

6061-T6 aluminum with incremental adjusting clamp

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano Length: 12 mmSurly 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: 15