NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano The Saris M2 smart bike

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

ISO Width (mm): 105

Weight: 143

Instructions are available online @ www

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver brand_shimano The Saris M2 smart bikeSurly 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