TheHope Fortus Pro4Rear Wheelis designed to be rigid, with no extra weight. The Fortus range was designed to match the new trend with wider tires.The wheels are made in England, with high quality Hope Pro 4 hubs. The hub is made of T6 aluminum and is equipped with stainless steel bearings for durability. As usual with Hope, the hubs can easily be transformed into different axle types. It consists of only the very best components, which ensures that the result is a brilliant set of wheels. A sturdy wheel that is excellent for the XC lane and rallying. Hope Fortus Pro4 Rear Wheel Features Nav: Hope Pro 4 Shaft: 135 / 142x12mm (135 QR and 142x12mm conversion kit included) Brake mount: 6 bolt Boss: Sram XD Rim: Hope 27 ... More info