NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 13t groupset_family_advent_x Opaque construction with brushed back

Opaque construction with brushed back to retain body heat

One-piece machined steel X-Dome design for weight savings

LG: 5'11" - 6'3"

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

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

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 13t groupset_family_advent_x Opaque construction with brushed backSurly 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"