Fulcrum Sharq Wheelset - 700 12 x 100mm/142mm Center-Lock XDR 2-Way Fit CarbonFulcrum Sharq Wheelset 700 12 x 100mm 142mm Center Lock XDR 2 Way Fit Carbon. Designed to elevate ride feel on mixed terrain routes from tarmac to gravel roads Sharq is the result of painstaking research advanced engineering and extensive work in design and testing to achieve the best performance possible. Sharq wheels have an inner rim width of 25 mm an effective compromise both for road tires with a minimum width of 30 mm guaranteeing good