NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano Weight: 143

Weight: 143

The Saris M2 smart bike trainer is capable of replicating any workout thrown its way

Instructions are available online @ www

and other sundries to your bicycle frame

anodized or polished finish

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano Weight: 143Surly 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