Rigida 36 hole double walled 26 quick release rear wheel with screw on threaded hub cnc machined braking surface colour black rim silver hub and spokes quando rear hub designed to take screw on freewheel 6 or 7 speed suitable for v brakes and cantilevers etc weight of rear wheel 1038grams average weight quick release skewer is included will take any 26 bike tyres rim width external to external 24mm