INTERBIKE 2009 – In addition to the road-going R-SYS Ultimate, Mavic was showing off one of two pair of new Crossmax Ultimates.  Shown above in Clincher form, Mavic claims they weigh in at just 1250g per set, a full 270g (0.6 lbs!!!) lighter than their Crossmax SLR Disc wheelset.
Supposedly, these have been raced under the Luna Chix and Euro Cannondale racers this year, as well as in the Beijing Olympics.  The other pair they weren’t showing?  Those would be the Crossmax Ultimate Tubulars that weigh in at approximately 1150g.  More on those and lots of good photos after the jump…
Alloy hubs and rims with standard 6-bolt rotor mounts…which makes the weight all the more impressive since many other superlight wheels get their weights partially by using Centerlock mounts.
The front hub has some additional milling out from between the rotor bolt holes.
The clinchers get aluminum rims that look very similar to (and might be the same as) the Crossmax SLR wheels’ rims, except fully painted.  Probably smart that they made the mountain version true-able.
The tubulars, which they did not have on display, supposedly have a carbon/alloy mixed rim, and they’re claimed to weigh in at just 1150g per set.