Surly Single Cassette Cog 3/32" Splined 15t slider The four spring tension settings

The four spring tension settings allow customised setup based on ride conditions

Steel hex wrench inserts were designed to pair with the Pack Wrench - Ultralight 1 Inch Hex and Bottom Bracket Wrench

}NiteRider Lumina Pro 1000 Rechargable Headlight

X-Tubo series tubes are intended for every day use and feature thicker material construction over the standard series

Double wall construction

Surly Single Cassette Cog 3/32" Splined 15t slider The four spring tension settingsSurly Single Cassette Cog 3 32" Splined 15t. 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 TECH SPECS Tooth Count 15 Cassette Body Type Shimano 7 Speed Drivetrain Speeds Single Speed 3 32"