Surly Single Cog S3-10spd NOTE: Required M30 BB sold

NOTE: Required M30 BB sold separately | DM Ring sold separately

The Terreno Wet is a World Cup-proven tyre for muddy days between the tape or beyond the tarmac

Forged and Fully CNC machined from AL6061 – T6 Aluminium

SRAM - All regular or "Flat-Top" WEIGHT 342g : 172

Surly Single Cog S3-10spd NOTE: Required M30 BB soldSURLY CASSETTE COG Our cassette type cogs are designed to fit on standard Shimano compatible freehub bodies. These cogs have a tall tooth profile that is essential for preventing chain skip from the extra torque a singlespeed drivetrain encounters. In addition to being a stellar SS cog, the cog base width (where it contacts the freehub body) is 4. 35mm, so you can stack a few of them up and use a 9 speed shifter for a simplified multi speed