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Item # MCW000P

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  • Black, 15x110/12x148, XD ($364.95)
  • Black, 15x110/12x148, HG ($364.95)
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Item # MCW000P

More is more.

Whoever said less is more clearly had never been on a mountain bike. On dirt, a few curves and a lot of squish have become hugely desirable traits, and ones we anticipate seeing a whole lot more of in coming years. Of course, you can't fully benefit from your pudgy, fun-loving new set of donuts if you try to wrap them over too-narrow rims that make them feel sloppy, so invest in the Mercury X3 Enduro 29in Boost Wheelset to give them the expansive partners they deserve.

Made out of a lightweight, durable alloy, the X3 Enduro makes a worthy upgrade for the stock hoops you've been meaning to replace, and it won't blow your entire trail travel fund for the summer. While alloy isn't as stiff as carbon, the improved spoke bracing angle of Boost axles conspires to reduce flex while dancing up climbs and cleaning jarring lines. With a 29mm internal width, the X3 will welcome your plump new tires with open arms onto a plush platform that maintains trail dexterity while it softens your ride. Though any enduro beast stands to gain plushness wider tires and rims deliver, slacked-out hardtail 29ers just might stand to benefit most from added squish in the front and back.

  • Give your plump tires the perch they deserve with this rim
  • Lightweight, durable alloy won't break your budget
  • Plump tires sit low and wide on this accommodating rim
  • Boost axle spacing stiffens and reduces torsional flex
  • Hubs convertible to different (future) axle standards

Tech Specs

Rim Material:
Wheel Size:
29 in
Tire Type:
clincher, tubeless
Rim Depth:
27 mm
Rim Width:
[internal] 29 mm, [external] 35 mm
Brake Compatibility:
6-bolt disc
Front Axle:
15 x 110mm Boost
Rear Axle:
12 x 148mm Boost
Sapim Race
Spoke Count:
[front/rear] 28 / 28
Actual Weight:
Black, 15x110/12x148, HG: 1990g
Recommended Use:
Manufacturer Warranty:
2 years

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Great wheels!

  • Familiarity: I've put it through the wringer

I just added these new Mercury wheels to my Niner and just love them. Super stiff and they take a pounding, plus at a great price.

Unanswered Question

What is the difference between the XD and the HG?
Also my current rear hub is 12x142, will the 12x148 work?