Surly Track Cog 3/32'' X 17t Silver MFPN=00.7018.209.002 } TECH SPECS

} TECH SPECS

Precision machined anodized 6061 T6 aluminum

Competition Black SpokesDouble Butted: 2

Chris King NoThreadSet Bold Headsets

Compatible with all 10- 11- and 12-speed chains with the exception of Shimano 12-speed chains

Surly Track Cog 3/32'' X 17t Silver MFPN=00.7018.209.002 } TECH SPECSSurly Track Cog 3 32'' X 17t Silver. Surly 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 TECH SPECS Tooth Count 17