This article originally appeared on BikeRadar Although Mavic co-launched Universal System Tubeless (UST) for mountain bikes in 1999 with Hutchinson and Michelin, the French brand took a long, cautious road to road tubeless. Today, however, Mavic launched Road UST as a wheel/tire system, claiming that its system is safer and easier to use than its competitors because of the internal rim shape and tight tolerances of the wheels and tires. The new Mavic Road UST wheels include carbon and aluminum models of the Comete, Cosmic Ksyrium lines, plus the gravel/adventure Allroad wheels that launched earlier as tubeless. The first three wheel families are Mavic`s first true high-pressure road tubeless models.ADVERTISEMENT In the early 2000s, Mavic, Michelin, Hutchinson and Shimano all worked on road tubeless designs. Ultimately, Mavic and Michelin decided to hold off, while Hutchinson and Shimano charged ahead. Today, most major wheel companies have dedicated tubeless offerings, but there are still some notable tire holdouts, including Continental, which do not have road tubeless models. A primary cause of reluctance for some - including Continental and Mavic - has been the lack of a precise standard regarding how the tire and rim interface. Mavic solved this problem by designing both elements. Tall sidewalls, deep tire bed - and details on those tolerances Varying internal rim widths Claims: 15% faster and 40g lighter than comparable clincher set-up Mavic Road UST US pricing, weight and availability Comete Pro Carbon SL Disc-$1899, 1755 grams (available Q3) Comete Pro Carbon SL-$1799, 1635 grams (available Q3) Cosmic Pro Carbon SL Disc-$1899, 1570 grams (available Q3) Cosmic Pro Carbon SL-$1799, 1450 grams (available Q3) Cosmic Elite Disc-$499, 1770 grams (July availability) Cosmic Elite-$449, 1850 grams (July availability) Ksyrium Pro Carbon SL Disc- $1899, 1510 grams (available Q3) Ksyrium Pro ...
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