Surly Single Cassette Cog 3/32" Splined 17t MFPN=979-01-208 Recycled marine plastics

Recycled marine plastics

The vibration damping of the new composite frame is exceptional

Primary Color Black Bracket No Internal Lock Size Imperial 2

Press-fit end caps allow tool-free maintenance and conversion Rear Axle 12mm Thru x 142mm Cassette Body Type Shimano HG Color Black Skewer Included No Bearing Type Sealed Cartridge Defined Color Black Spoke Interface J-Bend Hub Drilling 24 Hub/Brake Compatibility Center-Lock Disc

Surly Single Cassette Cog 3/32" Splined 17t MFPN=979-01-208 Recycled marine plasticsSurly 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 17 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel