The Fortus 30W SC (Single Cavity) Wheels, offer a strong but lighter version of the Fortus 30 wheel, designed for Trail and Enduro use. New Pro 5 Hub Building on Hope's 30+ years of manufacturing hubs, the Pro 5 is the combination of all of there experience into a product to meet and exceed the demands of current and future bike technology. Features Wheels machine built and hand finished in Barnoldswick. Built with Pro 5 32h hubs (J-bend only). 6-Bolt disc fitment . Tubeless compatible (Valve and Tape supplied). 15x100mm front wheel. 32mm Tape, Valve and wipe included for Tubeless setup. Welded 6061 T6 Aluminium rim with eyelets. Black Sapim Race stainless steel double butted spokes built with silver brass nipples. Hub available in Black, Silver, Blue, Orange, Purple and Red. Specification Internal width: 30mm. External width: 35mm. Profile depth: 23mm. Rim ERD: 555mm. Recommended tyre width: 2.4" - 2.8". Spoke count: 32.