Surly Single Cassette Cog 3/32" Splined 15t ModelNumber=E3318 Pad Style 7 Compatiblity Formula

Pad Style 7 Compatiblity Formula Mega- The One- C1- R1- Rear1- RX- RO- T1 Pad Material Semi-Metallic Standard Pad Color Brand Kool-Stop Backplate Steel

5" ISO Width (mm) 61 Labeled Size 27

5mm/5mm/10mm/20mm Steerer Tube 1-1/8

Material:  6061 aluminum body

Model Spider Pannier Receiver Front/Rear Rear Weight 553g Capacity 16kg/35lbs

Surly Single Cassette Cog 3/32" Splined 15t ModelNumber=E3318 Pad Style 7 Compatiblity FormulaSurly 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 15 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel