The Fulcrum Rapid Red 900 650B Rear Wheel (XDR) is a reliable, tubeless-ready gravel and all-road wheel built to handle a wide range of surfaces. Featuring a 22 mm internal rim width (27.1 mm outer, 24.1 mm depth), it accommodates tires from 25 mm to 64 mm, delivering stability and grip on any terrain.
The rear hub is aluminum with aluminum flanges and sealed cartridge bearings for smooth, low-maintenance performance. It comes with a SRAM XDR freehub body, 12×142 mm thru-axle spacing, and CenterLock/AFS rotor interface. Built with 28 stainless steel J-pull spokes and brass nipples, this rear wheel is engineered for strength and serviceability.
Key Features:
• Rear wheel only – Fulcrum Rapid Red 900 650B
• Aluminum asymmetric rim, 22 mm inner / 27.1 mm outer width, 24.1 mm depth
• Tire compatibility: 25–64 mm wide
• Tubeless-ready (2-Way Fit Ready)
• Disc brake, CenterLock / AFS rotor mount
• Rear hub: aluminum body & flanges, sealed cartridge bearings
• Freehub: SRAM XDR
• Axle: 12×142 mm thru-axle
• 28 stainless steel J-pull spokes, brass nipples
• Rear wheel weight 1050 g
• System weight limit: 120 kg