Surly Single Cassette Cog 3/32" Splined 17t MFPN=214310 The 12-tooth X-SYNC pulley wheel

The 12-tooth X-SYNC pulley wheel holds the chain in place reducing bounce and chain slap

Mounting kit included

including fork crown race 1

The familiar Vittoria v-formation used in the Peyote allows the tire to dig through loose terrain to find traction while evacuating debris laterally

Surly Single Cassette Cog 3/32" Splined 17t MFPN=214310 The 12-tooth X-SYNC pulley wheelSurly Single Speed Cogs. 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 Photo for color and material reference only Tooth Count 17 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel