Mavic believes the problem lies with its suppliers, who are unable to deliver the required aluminum alloy for the hub flanges in a consistently high quality. To save customers long waiting times, Mavic is now using the tried-and-tested Crossmax front wheel hub made of aluminum, which will be color-matched to the new design. As a result, the weight of a "Crossmax SL" front wheel will increase from 650 to 680 grams ? still sensationally low for a tubeless complete wheel, as most UST tires weigh about the same...