Reynolds Assault CX Disc Carbon Clincher Wheelset. The Reynolds Assault CX Disc carbon clincher wheelset sets the standard for your disc brake equipped cyclo cross bike, road bike, andor gravel grinder. Rotating weight is kept to a minimum with the disc only carbon rims that are both extremely strong and remarkably aero while bladed spokes further help to cheat the wind. The carbon rims are 25mm wide to ensure a smooth, trouble free ride over rough terrain and the Reynolds hubs are renowned for their smooth rolling performance as well. The hubs are set up for quick release front and rear plus are equipped for 6 bolt disc brake rotors.