TheHope Enduro Pro4 Wheeluses an Enduro rim built on the bullet proofHope Pro 4 Hubs.These wheels were machine built and hand finished byHope in Barnoldswick. Hope Enduro Pro4 Wheel Tech Enduro rim built on Hope's bullet proof Pro 4 Hubs Standard and straight pull hub wheel builds available in several colours Larger diameter spoke flange, to build stiffer wheel Stainless Steel, sealed cartridge bearings Welded and eyeleted 6061 T6 Aluminium rim Triple cavity construction offers excellent strength, yet keeps the weight low Tubeless compatible (requires tape and valves) Black Sapim Race/Sprint stainless steel double butted spokes built with silver Brass nipples Front wheels supplied with QR and 15mm conversions for 100mm front Boost front wheel option comes built with 110x15mm Boost specific hub Rim Width: 23mm internal / 28mm external Rim ERD: 27.5” - 562mm Rim weight: 27.5” - 510g Compete standard wheel weights: 27.5" F 943g / R 1053g Complete straight pull wheel weights: 27.5" F 930g / R 1071g