Surly Single Cassette Cog 3/32" Splined 18t CheckoutSpec= 27.5/29/700 x 2.25-2.6 2 Color Chrome Rise 4

2 Color Chrome Rise 4 Material Chromoly Steel Width 28 Defined Color Silver Model MX-4

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increased air volume to add support throughout the travel

solvent formula ensures deep penetration

Surly Single Cassette Cog 3/32" Splined 18t CheckoutSpec= 27.5/29/700 x 2.25-2.6 2 Color Chrome Rise 4Surly 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 18 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel