Novatec a271sb/f372sb hubs, front: 2 sealed bearings, o.L.D: 100mm weight: 112g, rear: 4 sealed bearings, o.L.D: 130mm weight:276g Cassette body: shimano or campagnolo Pillar aero 1432 spokes Accessories:free quick release+brake pads +extension valve +rim tapes+6 spare spokes 3k matte/glossy, f-20holes, r-24holes 12-layer design on brake track6-layer carbon body Max recommend rider weight:110kg Max recommend tyre pressure:125psi Weight:1740