NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 17t inventory-parts-components-seatposts Compatible with Shimano MTB rear

Compatible with Shimano MTB rear derailleurs designed for 9 or fewer cogs

Tool lock for knife blade and tire reamer / plug insertion tool add safety

Clamps below and adjusts independently of the front derailleur

The CS-R8000 cassette meets durability requirements for E-MTB applications

14mm ultra-hardened steel shackle provides maximum cut resistance

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 17t inventory-parts-components-seatposts Compatible with Shimano MTB rearSurly 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 7 Speed Material: Steel Drivetrain Speeds: Single Speed 3 32"