Surly Single Cassette Cog 3/32" Splined 20t Diameter-18in Designed with both flat and

Designed with both flat and drop bar applications in mind these CNC machined high quality components build upon the ee experience: precision ingenuity and the love of the ride

Premium fender compatibility (RockShox Bolt-On Fender included with purchase)

nickel plated brass eyelets

Lite race/training tire with grooved lateral tread for traction smooth center

which is made with layers of strong

Surly Single Cassette Cog 3/32" Splined 20t Diameter-18in Designed with both flat andSurly 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 20 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel