Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H Model=HXC 1501 Spline ONE Rear Wheel Tubeless and Hookless Compatible in

Tubeless and Hookless Compatible in widths 700 x 30C and wider Flat Protection Tread and Sidewall Color Black/Amber Weight 510 Defined Color Tan ISO Width (mm) 45 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 45 Tire Type Tubeless Ready Clincher PSI 60 / 80 Width 45Mm

the hardest 4mm available

mountain bikes with 5-arm crank power meters

Specifications Frameset

Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H Model=HXC 1501 Spline ONE Rear Wheel Tubeless and Hookless Compatible inSurly Ultra New Rear Hubs Non Disc. Axle is quick release and bolt on compatible Stainless 6mm bolts are included; quick release skewer is NOT included 6061 T6 forged hub shell (same as the Surly New); 6901 bearings 4130 CroMoly axle and stainless cones; agressive knurling on cones and bolt caps for reduced slippage New axle cone system uses uses a specific shouldered axle that allows the hubs to be completely adjustment free and simple to service