NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 13t groupset_family_advent_x 125 x 409 mm XS–SM

125 x 409 mm XS–SM

or 29+ platforms

Top Tube Length (Effective) 510 520 540 555 575 595 M

and small parts necessary for installation on a road or mountain bike are included

The Eagle AXS controller offers a unique wireless shifting experience with ergonomic touchpoints that are customizable to your preferences - you can choose what each button does through the AXS App

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 13t groupset_family_advent_x 125 x 409 mm XS–SMSurly 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: 13 Cassette Body Type: Shimano 7 Speed Material: Steel Drivetrain Speeds: Single Speed 3 32"