Surly Single Cassette Cog 3/32" Splined 21t Wheel Size-26 9 Defined Color Black Travel

9 Defined Color Black Travel 75Mm

Disc brake only Brake Compatibility Disc Only Rim Width (Internal) 30 Brake Track None Manufacturer Spec ERD (mm) 565 Valve Presta Color Black Weight 570 Wheel Size 27

75 ISO 584 Bead Fold Belted Tread/Sidewall Color Bk/Blk PSI 75 Weight (Grams) 480 TPI 60 Durometer Features Reflective Sidewall No

Lightweight and durable design

Surly Single Cassette Cog 3/32" Splined 21t Wheel Size-26 9 Defined Color Black TravelSurly 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 21 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel