Rx010 clincher disc road wheel, offering all the technology of Shimano wheels at an economical price 24 mm high profile aluminium rim for improved aero dynamics easy to use centre-lock rotor mount for use with disc brakes 28 stainless steel bladed straight pull spokes with a 2-cross lacing pattern improve lateral and torsional (power transmission) rigidity the hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions. They also offer precision bearing adjustment and easy maintenance labyrinth and contact sealing - low-friction seals effectively shut out water, mud and dirt without affecting rotational smoothness 9, 10 and 11-speed compatible 700c clincher rim only recommended tyre width 25-38c supplied with q/r skewer