Surly Single Cassette Cog 3/32" Splined 18t MFPN=4191200 5 Casing Type Tough

5 Casing Type Tough

98% pollutant free

Designed and tested to provide enduring e-biking performance

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

FOX MY26 Stanchion Diameter 34

Surly Single Cassette Cog 3/32" Splined 18t MFPN=4191200 5 Casing Type ToughSurly 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