Surly Single Cassette Cog 3/32" Splined 21t Weight-2086 5 D: BB Length (IN)

5 D: BB Length (IN) 14 D: BB Length (CM) 36 C: Down Tube Length (IN) 7 Size Large (3L)

Includes OT-SP41 derailleur cable and housing set Brake Lever Actuation Short Pull Super SLR Double or Triple Double Color Black Rear Der/Shifter Compatibility Shimano Road Adjustable Reach Yes Drivetrain Speeds 10 Front Der/Shifter Compatibility Shimano Road

Odyssey JC/PC Pedals are designed with replaceable pedal bodies pins and nuts

Due to the use of Wolfram Carbide

Designed for the rigors of mountain biking and trekking the Beavertail can also be used by commuters who want increased durability

Surly Single Cassette Cog 3/32" Splined 21t Weight-2086 5 D: BB Length (IN)Surly 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