XLC Pro Racing wheelset WS-R02 Hubs: forged aluminium, CNC machined. High-precision industrial bearings (VR-2-split HR-4-split) with long-term grease lubrication for lasting protection and glide. The hub bearings can be adjusted while the wheel is mounted. Rims: Aluminium with brake indicators. Height: 25mm. Clincher tyre. Inox spokes: progressive blade spokes, only Miche uses them. VR with 20 radial spokes and HR with 28 spokes.Weight: VR approx. 880g HR = approx .1085g quick release = approx. 105 g, without weight limit. - Compatibility: Shimano 9-10 speed - Freewheel: ERGAL 7075.