The Shimano GRX RX570 650b Front Wheel is a gravel tuned 11/10-speed tubeless wheel offering all the technology of Shimano wheels at an economical price.Shimano GRX RX570 650b Front Wheel Features22 mm high profile aluminium rim for improved aerodynamics21.6 mm internal rim widthEasy to use Center Lock rotor mount for use with disc brakes24 stainless steel butted and bladed straight pull spokes with a 2-cross lacing pattern improve lateral and torsional (power transmission) rigidityElbow-less spokes with alloy nipples make for a strong yet compliant wheelThe 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 maintenanceLabyrinth and contact sealing - low-friction seals effectively shut out water, mud and dirt without affecting rotational smoothnessSize: 650BRecommended tyre width: 38-53 mm (650B)Discipline: Gravel & CyclocrossWheel Diameter: 27.5 inches

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