NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 17t inventory-parts-components-seatposts more precise shifting

more precise shifting

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

Often duplicated but never replicated

Clamps below and adjusts independently of the front derailleur

Supremely compact wallet holds enough to be your main squeeze

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 17t inventory-parts-components-seatposts more precise shiftingSurly 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"