Surly Single Cassette Cog 3/32" Splined 20t sale Dimension 25

Dimension 25

Please check the three digit ERD before ordering:  xx-XXX or XXX-xx

Stress-resistant front button closure

prevents key from turning before being fully inserted into the cylinder

with a 4-way stretch top sheet and targeted high density support for plush all-day comfort

Surly Single Cassette Cog 3/32" Splined 20t sale Dimension 25Surly 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