Surly DUH 12x148mm Single-Speed Rear Thru-Axle | Aluminum, Performance-Driven Graphics Compatibility_SRAM MatchMaker The knurling on the rear

The knurling on the rear end offers enhanced manual grip

and reduces cavitation

Enhanced sealing system with labyrinth seals minimizes dirt ingress and reduces drag

tubeless-ready tire is designed for serious cyclists seeking the ultimate blend of grip

Surly DUH 12x148mm Single-Speed Rear Thru-Axle | Aluminum, Performance-Driven Graphics Compatibility_SRAM MatchMaker The knurling on the rearUpgrade Your Bike with the Surly DUH Single Speed Rear Thru Axle 12x148mm Optimize your commuter, mountain, or touring bike with the Surly DUH Single Speed Rear Thru Axle, designed specifically for seamless conversion from geared to single speed setups. Crafted with precision engineering and durable materials, this 12mm thru axle enhances bike rigidity, stability, and performance, making it ideal for riders seeking a clean, minimalist single speed