Shimano GRX WH-RX880-700c Wheels Carbon Wheels That Are Great For Gravel The wheels you use on your bike play a significant role in your performance and ride quality. With a carbon wheelset on your bike, you'll climb and accelerate much faster. The Shimano GRX WH-RX880-700c Wheels are 64 grams lighter per pair than their predecessors and feature the same shallow 32mm rim height for faster acceleration and quicker climbing. The low profile also ensures better control in cross winds, and these tubeless wheels employ a modern 25mm inner rim width suitable for tires up to 50mm wide. Features Carbon rim that is lightweight, stiff, and highly durable25mm inner rim width that works well with tires up to 50mm wide Tubeless-ready for a smoother ride, better traction, and fewer flats24 J-bend spokes on the front and rear SPECIFICATIONSWheel Size700c Material Carbon Rims, Aluminum Hubs Outer Width30. 7mm Inner Width25mm Rim Height32mm Spoke Drilling24HValve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)Front Axle12x100mm Rear Axle12x142mm Intended Use Gravel Approximate Weight762g (Rear), 635g (Front) | Shimano | Grx Wh-Rx880-700C Wheels Front