The Hope Fortus 30W Pro4 27in 148mm Rear Wheels are machine built and hand finished in Barnoldswick. The Fortus 30 rim built on our bullet proof Pro 4 Hubs. Standard J-bend hub wheel builds available in our several standard colours. The larger diameter spoke flange manages to build a stiffer wheel for excellent control. The stainless steel, sealed cartridge bearings are built to last.  Hope Fortus 30W Pro4 27in 148mm Rear Wheels Key Features Optimised rim profile suitable for 2.4” - 2.8” tyres Tubeless compatible (requires tape and valves) Available in 26”, 27.5” and 29” 135/142mm, 148mm Boost and 150mm rear wheel options available Shimano Aluminium, Shimano Steel and Sram XD freehub body options available Hope Fortus 30W Pro4 27in 148mm Rear Wheels Specfications Welded 6061 T6 Aluminium rim with eyelets Black Sapim Race stainless steel double butted spokes built with silver brass nipples Standard rear wheels supplied with 135 x QR and 142 x 12mm conversions Boost 110mm & 148mm option built with Boost specific hub Pro 4 32h hubs with stainless steel sealed cartridge bearings 4 Pawl ratchet system with 44 tooth engagement (8.2 deg) Hub available in Black, Silver, Blue, Orange, Purple and Red Internal width: 30mm External width: 35mm Profile depth: 23mm Rim ERD: 26” - 530mm/27.5” - 555mm/29” - 593mm Recommended tyre width: 2.4” - 2.8” Spoke count: 32 Rim only weight: 26” - 645g/27.5” - 675g/29” - 720g Wheelset weight from: 26” - 2230g/27.5” - 2305g/29” - 2435g