Built using a tough and trusted aluminium, this nippy and nimble back wheel stays strong and supportive as you soar through the most demanding road runs. Measuring a 17mm internal width and a 24mm height, the rims ensure a poised and pacy roll when the road opens up in front of you. Durable and Dependable, Alloy-Rimmed Road Wheels Set with 24 stainless-steel spokes for added aerodynamics and rigidity, this supple Shimano model stands up well to long-distance rides and short, sharp sprints. A hard-wearing, aluminium hub provides every ride with a silky-smooth spin and gives substantial rear-end support. The hub also comes equipped with a Shimano-compatible freehub to give you an extra kick when your ride gets more intense. Coming complete with quick-release axles and a clincher tyre profile, this fast-rolling and reliable rear wheel is a quality training or race-day option.