Cassette Cog mirror do it with a Burrito

do it with a Burrito Supreme upfront

A streamlined and secure space to store frequently used items over rough terrain

and the VaporFit™ system adjusts like a halo around the skull

Longer lasting than G-type pads

Cassette Cog mirror do it with a BurritoDescription Surly's cassette cogs are designed first and foremost for singlespeeding, but being that they're Surly, they bumped up the versatility a bit. At the base, the cogs are 4. 35mm wide, which allows you to stack a few of them up for a simplified multi speed drivetrain. Use a 9 speed derailleur if you do that. Features Machined from SCM415 Chromoly steel Heat treated and chrome plated Compatible with 6 to 9 speed 3 32" chains Available in