The Hope Pro 4 20FIVE Rear Wheel is a Road/Cyclo cross disc specific rim built onto Hope's trusted Pro 4 hub. Hope wheels are machine built and hand finished in-house at their factory in Barnoldswick. Hope Pro 4 20FIVE Rear Wheel Features 20FIVE rim built on Hope's bullet proof Pro 4 hub Stainless steel cartridge bearings 700c welded AL 6066 rim 4 Pawl ratchet mechanism Tubeless compatible (requires tape and valves) Wheels are built using high quality Sapim Sprint double butted spokes and brass nipple Rim width is ideal to suit larger volume road/cross tyres Disc brake compatible only Rear wheel supplied with 135 QR and 142x12mm conversion kits 11 Spd Shimano and Campagnolo freehub body options Rim Width: 20mm internal / 24mm external Rim depth: 25mm Rim ERD: 700c - 594mm Rim weight: 700c - 425g Compete standard wheel weights: 700c - F 855g / R 970g