You have no items in your shopping cart
Surly's cassette cogs are designed first and foremost for singlespeeding, but being that they're Surly, they've bumped up the versatility a bit. Read more..
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.