Built to keep you riding faster for longer, the Shimano GRX WH-RX870 Carbon Gravel Wheel features a superior balance of strength, rim weight, and wheel profile. This carbon wheel is compatible with both 11 and 12-speed setups and is optimized for 32-50c tires thanks to its wider rim width that allows for excellent lateral tire stability at lower air pressure. Made for use with center lock disc brakes, the Shimano GRX WH-RX870 Carbon Gravel Wheel offers a smooth, quick stop that will ensure you enjoy every moment of your ride.