NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 19t fork-type_not-included Tooth Count: 38

Tooth Count: 38

- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage

Single-sided entry pedals and Standard Tension Cleat form an elegant

Divided main compartment and side panels expand for extra storage capacity

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 19t fork-type_not-included Tooth Count: 38Surly 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 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel