DUH System - Single Speed Thru-Axle Trail corner stakes or for adding

corner stakes or for adding custom-built pieces

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

To offer the best rider experience for every frame size

Curved blades

5" 650 x 41 Folding 440 60 75 Sidewall 584 / 650b / 27

DUH System - Single Speed Thru-Axle Trail corner stakes or for addingThe 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.