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Few things can ruin a ride faster than a noodly set of 29-inch hoops, and Mercury Wheels is stepping in with its X1 Carbon 29in Boost Wheelset to address those woes. Featuring stiff carbon rims and beefy Boost axle widths, this wheelset tracks precisely across technical terrain and responds in a flash on climbs. Whether your day includes loose, hard, or chunky trails, the X1 carbon will go exactly where you point them with no hesitation.
The rims are fashioned with a hookless bead, which—contrary to what common sense might suggest—makes the rim-to-tire bead connection more reliable. Burping and tire blow-offs are actually more common with hooked rims, and the hookless models demonstrate improved tire retention on-trail. By eliminating the ridge of material constituting the hook, hookless beads also enjoy increased structural integrity — a definite plus when you consider that the X1 Carbon is built for the big hits of enduro and all-mountain riding. We have found that mounting some tire brands can be a little tricky, but once they're on, the bead holds a tubeless setup as steady as any other manufacturer's.
Finally, those stiff carbon rims are laced to Mercury's own hubs by 28 spokes. Before we get into the details on the spoke count, it bears mentioning that the weight bearing threads are laced in a two-cross pattern, which further increases stiffness for sharper mashing and tracking. Stiffness is already guaranteed with a carbon rim, though, which is one reason why we aren't sorry to trade the additional (and unnecessary) stiffness of a 32 spoke build for the lower weight of 28 spokes. Mercury drills their spoke holes post-rim production, and fewer spoke holes mean less drilling and, ultimately, a more structurally sound rim.
Finally, note that the rims don't include tape or tubeless valves, but we've had luck installing most readily available tubeless conversion kits and wouldn't recommend running the X1 Carbon wheelset any other way.
- A carbon wheelset designed to handle all-mountain terrain
- Hookless bead provides confident tubeless seal
- Spoke count balances stiffness and weight
- Boost axles widths improve stiffness
- Item #MCW000D
- Q & A
My personal wheelset
- Familiarity: I've put it through the wringer
If you've read my other reviews, you'll see I'm a fan of Mercury Wheels. They are genuinely awesome wheels, hand laced just up the freeway from us here in Utah. The X1 Boost takes an already light, stiff and durable wheel and adds a Novatec boost hub for folks riding the new standard. Mine are mounted on my Pivot Mach 429 Trail. Easy to set up tubeless. An incredible value. Hit me up with any questions. firstname.lastname@example.org 801-204-4557