@vincienup, Mavic are repositioning UST and basically saying “nah, it never meant a sealed rim, that’s just coincidence”. Which actually could be true, I dunno, but it’s not how anyone understood it. So there’s lots of confusion now due to basically recycling what was a pretty well understood term. When they started doing it, they called this sort of thing “UST Ready” but that didn’t catch on at all despite apparently throwing Pinkbike a bung to pretend the term was a popular industry standard, so now it’s just UST.