Shimano WH-RX570 700C front wheel The Shimano WH-RX570 wheels are made for exploring off-road and off-trail. They deliver reliable performance in a wide range of conditions. With their wider internal rim width, the GRX wheels are suitable for robust tubeless gravel tires. They are equipped with center lock disc brakes and twelve mm thru axles. Specifications: Color: black Gender: unisex Material: aluminum Series: GRX RX570 Weight: 769 grams Brake type: center lock disc brake Axle mounting mode: E-THRU Rear gears: 11/10-speed Tire type: tubeless Number of spokes: 24 Rim height: 22 mm Internal rim width: 21.6 mm ETRTO size: 22-622 Inch size: 28 inch