Surly Single Cassette Cog 3/32" Splined 16t Color-Shiny Black wicking fabric that allows sweat

wicking fabric that allows sweat to evaporate quickly

Dual pull - Top swing

Granted the combination can work without modification - but performance wasn't quite what we'd expect from Shimano and SRAM's finest

a favorite at our location in Portland

and seatpost with a single security system

Surly Single Cassette Cog 3/32" Splined 16t Color-Shiny Black wicking fabric that allows sweatSurly 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 16 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel