DUH System - Single Speed Thru-Axle Trail And durability comes in pretty

And durability comes in pretty handy when you’re talking about the one ring that is bearing the brunt of all your miles

Threaded bottle cage bosses located at the rear of each rail provide mounting locations for accessories: bottle cages

It’s designed for semi-horizontal front-loading dropouts (*ahem* like those found on the Cross-Check)

Curved blades

corner stakes or for adding custom-built pieces

DUH System - Single Speed Thru-Axle Trail And durability comes in prettyThe Surly DUH system single speed rear axle helps transform your geared bike into a single speeding machine. You will also need a Surly DUH single speed chip and hardware (FS0268 sold separately) to complete the setup. Note: The Surly DUH single speed thru axle only works with the DUH single speed chip and hardware.