NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver chain_8speed Keep your rides comfortable with

Keep your rides comfortable with these supportive and breathable bibs

Hub Finish:Black

C: Down Tube Length (CM): 70

K2 breaker beneath the tread for puncture protection

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver chain_8speed Keep your rides comfortable withSurly 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: 16