NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver chain_8speed Hardshell protection consists of casing-ply

Hardshell protection consists of casing-ply overlap covering more of the sidewall than normal

K2 breaker beneath the tread for puncture protection

Weight: 1600

Tire Intended Use: Fat Bike

Accuracy to +/- 3%

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver chain_8speed Hardshell protection consists of casing-plySurly 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