Mavic's 1,080g Crossmax Ultimate: The Lightest XC Wheelset They've Ever Built

1,080 grams for a complete XC wheelset. That's the number Mavic is hanging the new Crossmax Ultimate on, and it's genuinely light — about 300g less than their previous top-tier offering. The weight savings come from three places: a redesigned carbon rim (down 50g), carbon spokes with titanium nipples (another 100g gone), and a new rear hub that hits 180g with ceramic bearings. At $3,049, you're paying roughly $2.82 per gram saved over a mid-range carbon wheelset. Whether that math works depends entirely on how much you value the pointy end of your local XCO results.

The 40-tooth ID360 ratchet freehub is the same proven engagement system Mavic has used — 9 degrees between pickup points, which is quick but not industry-leading. What matters more here is how the carbon spokes interact with that hub. Carbon's stiffness-to-weight ratio theoretically means less energy lost in spoke flex during hard accelerations. The tradeoff: carbon spokes are notoriously difficult to service trailside if something goes wrong. A rock strike that would just ding an alloy spoke can crack carbon. For a race-day wheel, maybe that's acceptable. For your only wheelset on a backcountry adventure? Think twice.

The rim specs tell a practical story: 30mm internal width, hookless carbon, rated for 2.3–2.4" tires. That's the XC sweet spot right now, wide enough to run lower pressures without squirm but not so wide you're adding unnecessary rotational mass. The 25mm rim height keeps things laterally stiff without catching crosswinds on exposed ridgelines. ASTM Level 3 certification means Mavic is comfortable with you pointing these at proper technical terrain, not just groomed singletrack.

Real-world validation exists: Katrin Embacher won the U23 XCO at Nove Mesto on these wheels in May 2026, and both KTM and Mondraker factory teams have been running them since the World Cup season opener. That's not marketing theater — it's athletes choosing to race on equipment when results matter. The 135kg max rider weight does exclude larger riders, which is worth noting if you're near that threshold with gear.

For the time-crunched racer who shows up to regional XCO events and actually contends, these wheels make sense. They're not training wheels — they're race-day equipment priced accordingly. If you're logging base miles or your bike spends more time on the roof rack than at start lines, the value proposition evaporates quickly. But for the rider who wants the lightest setup Mavic has ever built and plans to use it where seconds separate the podium? The Crossmax Ultimate delivers on that specific promise.