The Hope RS4 20Five C/Lock Front Wheel is a Road/Cyclo cross disc specific rim built on the reliable RS4 Centrelock Hub. These Hope wheels are machine built and hand finished in Barnoldswick. Hope RS4 20Five C/Lock Front Wheel Features 20FIVE rim built on Hope's RS4 road/cyclocross hubs Stainless steel, sealed cartridge bearing 700c welded AL 6066 rim Tubeless compatible (requires tape and valves) Wheels are built using high quality Sapim Race double butted spokes and brass nipple Rim width is ideal to suit larger volume road/cross tyres Centrelock disc brake compatible only Front wheels supplied with QR and 12mm conversions Rim Width: 20mm internal / 24mm external Rim depth: 25mm Rim ERD: 700c - 594mm Rim weight: 700c - 425g Compete standard wheel weights: 24H - F 762 / R 908 || 32H -  F 815g / 950g Complete straightpull wheel weights: 24H - F 770g / R 893g