Reserve Wheels Reserve 52/63 Wheelset - 700 12 x 100/12 x 142 Center-Lock HG 11 Road Carbon DT 350Reserve Wheels Reserve 52 63 Wheelset 700 12 x 100 12 x 142 Center Lock HG 11 Road Carbon DT 350. The Reserve 52 63 was designed to be the ultimate wheelset for sprint stages triathlons and anywhere with a straight long enough to make a break for it. The 52mm deep front slices through the air while still guaranteeing predictable handling in crosswinds and the deep 63mm rear helps you bank watts for those crucial final kilometers. Its the ultimate go