Shimano WH-RX870-700C GRX WheelsetBuilt for gravelShimano'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. FeaturesCarbon fiber rims offer the perfect balance of stiffness, weight, and aerodynamics25mm internal rim width is perfect for modern 32-50mm gravel tiresClassic serviceable Shimano hubs roll smoothly all day longTubeless compatible rims for fewer flats and lower pressures11 and 12-speed Shimano road cassette compatible so you can use a wide range of cassettesSPECIFICATIONSWheel Size700cMaterialCarbon FiberOuter Width30. 7mmInner Width25mmRim Height32mmSpoke Drilling24hValve TypePrestaTubelessYesTire TypeClincherBrake CompatibilityDisc (Centerlock)Engagement Degree-Engagement Upgrade AvailableNoFront Axle12x100mmRear Axle12x142mmIntended UseGravelApproximate WeightTBD | Shimano | WH-RX870-700C GRX Wheelset Wheelset, 24H, Centerlock, 11/12 speed Freehub | Aluminum