Surly Single Cassette Cog 3/32" Splined 18t MFPN=00.6118.736.003 5-65mm Rate (Lbs) 550 Color

5-65mm Rate (Lbs) 550 Color Silver Series 250 Series Spring Weight 550Lb Max Stroke 65Mm

Nano Cable

Previously only available on RED SRAMs integrated chainrings are light stiff and incredibly durable

Color Black Includes Gauge Yes High Volume Pump Yes Defined Color Black Valve Compatibility Presta and Schrader PSI 220

Surly Single Cassette Cog 3/32" Splined 18t MFPN=00.6118.736.003 5-65mm Rate (Lbs) 550 ColorSurly 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