Cassette Cogs Tires Off-road enthusiasts have been Frankensteining

Off-road enthusiasts have been Frankensteining drop bars onto trail bikes for decades

Designed for durability in harsh riding conditions

Our Dummy Rail Collars are nothing more than a simple clamping device that buttresses the connection between your Dummy Frame and the Dummy Rails

Steamroller remembers

and efficient climbing (plus the power to levitate)

Cassette Cogs Tires Off-road enthusiasts have been FrankensteiningOur cassette cogs are designed first and foremost for singlespeeding, but being that were Surly, we 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.