Surly Single Cassette Cog 3/32" Splined 20t pickuponly Sintered Metal pad provides consistent

Sintered Metal pad provides consistent

it mounts and removes quickly with hook-and-loop fasteners

ideal for training and running

The Thomson seatpost design incorporates a bending fuse to prevent catastrophic failure

6061-machined lever with stainless steel pivot and laser-etched logo

Surly Single Cassette Cog 3/32" Splined 20t pickuponly Sintered Metal pad provides consistentSurly 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