Mavic Open Pro UST Shimano Ultegra RS770 hub Road Disc Gravel Bike Front Wheel
Shimano RS770 Centerlock Hubs on tubeless compatible rims. Shimano RS770 Centerlock Hub. New Mavic Open Pro UST 32 Hole Rim - 19mm wide internal rim width and 26mm on the outside. Front Axle: 12x 100mm Thru Axle.