Shimano WH-RX870-700C GRX Wheelset Built for gravel Shimano's all-new RX870 GRX wheelset perfectly compliments any gravel setup and allows riders to go further faster. A wide internal rim width of 25mm perfectly supports modern gravel tire widths ranging from 32-50mm. The rim features a full carbon fiber design with a 32mm depth which perfectly balances stiffness, weight, and aerodynamics for a truly gravel-optimized riding experience. Classic and lightweight Shimano GRX hubs keep things serviceable for a long-lasting wheelset. There's even support for Shimano's latest 12-speed road groupset if you're looking for a more all-road-oriented setup. The RX870 GRX wheelset is built to take you wherever on whatever surface as fast as possible. Features Carbon fiber rims offer the perfect balance of stiffness, weight, and aerodynamics25mm internal rim width is perfect for modern 32-50mm gravel tires Classic serviceable Shimano hubs roll smoothly all day long Tubeless compatible rims for fewer flats and lower pressures11 and 12-speed Shimano road cassette compatible so you can use a wide range of cassettes SPECIFICATIONSWheel Size700c Material Carbon Fiber Outer Width30. 7mm Inner Width25mm Rim Height32mm Spoke Drilling24h Valve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)Engagement Degree-Engagement Upgrade Available No Front Axle12x100mm Rear Axle12x142mm Intended Use Gravel Approximate Weight TBD | Shimano | Grx Wh-Rx870-700C Wheelset Wheelset, 24H, Centerlock, 11/12 Speed Freehub | Aluminum