Shimano WH-RX570-650B Tubeless Wheels
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Pickup available at RA Cycles - Brooklyn
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Shimano WH-RX570-650B Tubeless Wheels Info
The Shimano WH-RX570-650B Tubeless Wheels are part of Shimano's GRX lineup, the gravel-specific component group the brand built to handle mixed-surface riding rather than adapting road parts to dirt. This 650b wheelset is designed around wider, higher-volume gravel tires from the start, which shows up in a rim shape and width built for that job rather than a road rim pressed into gravel duty.
The aluminum rim uses a welded joint for consistent strength around the full circumference and measures 21.6mm internally, wide enough to properly support the larger-volume tires gravel riding calls for without the tire taking on an unsupported, rounded shape at lower pressures. That width matters most when tire pressure drops for traction on loose or rough terrain — a rim built too narrow lets the tire squirm under cornering load, while the RX570's wider profile keeps the tire's contact patch stable. The rim is tubeless-ready out of the box, so a rider can run tubeless tires and lower pressures for better grip and pinch-flat resistance without adding a separate conversion kit.
Shimano builds the wheel around its own GRX RX570 hubset, running a 12x100mm front and 12x142mm rear thru-axle setup, both increasingly standard for gravel bikes needing the stiffness a thru-axle provides over quick-release. The hubs use a Centerlock interface for rotor mounting, which simplifies rotor swaps and keeps the interface consistent with the rest of Shimano's disc brake lineup. Twenty-four straight-pull spokes per wheel connect rim to hub, a lacing choice that tends to hold tension well and simplifies wheel building and truing compared to traditional J-bend spokes.
At a claimed 737 grams for the front wheel and 920 grams for the rear, the set comes in around 1,657 grams — a reasonable weight for an aluminum gravel wheelset built to survive real off-road abuse rather than chase carbon-wheel weight numbers. That's the RX570's whole approach: durable, tubeless-ready, and built around gravel-specific geometry rather than a lighter but less forgiving alternative.
At $475, this wheelset gives a gravel or adventure rider a genuine upgrade path from a stock aluminum wheel without stepping into carbon pricing, backed by Shimano's own GRX ecosystem for anyone already running GRX drivetrain components.
