Surly Single Cassette Cog 3/32" Splined 17t sale Off-set Strap relieves tension at

Off-set Strap relieves tension at the highest point of the foot

A file type tread pattern provides low rolling resistance and tight cornering in all road conditions

Precise and easy front derailleur adjustment

Reflective sidewalls

Supacaz pattern design for max control and ultimate tackiness

Surly Single Cassette Cog 3/32" Splined 17t sale Off-set Strap relieves tension atSurly Single Speed Cog Designed as a singlespeed cog, but may also be stacked and used with 9 speed shifter. Multi gear use will result in slower, less crisp shifting than cogs designed for multi gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel