The HED Vanquish RC4 Pro Disc Wheelset. HED’s proprietary Vanquish RC Pro rims are made by hand in Minnesota U.S.A. and undergo an unprecedented level of quality control. The rim shape is all-new with a huge 30mm external width 21mm internal width. This results in superb aerodynamic performance with 23-28mm tires with drag numbers that dip below -300g. The Vanquish RC Pro’s all-carbon rim construction makes it lighter stronger and faster than the competition. The 30mm external21mm internal width and tubeless-ready tire bed has a hybrid spoked-carbon design creating a stiff and efficient wheel for maximum power transfer.