Surly Single Cassette Cog 3/32" Splined 18t MFPN=4191200 Entirely new cage structure utilizing

Entirely new cage structure utilizing increased material structure

FOX MY26 Stanchion Diameter 34

For handles with traditional webbing and locking cap

} Xpresso 6 features solid steel axle and a lightweight carbon body

98% pollutant free

Surly Single Cassette Cog 3/32" Splined 18t MFPN=4191200 Entirely new cage structure utilizingSurly 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 18 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel