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When "wide" is an understatement.
There are some virtues to the five-inch tires on fat bikes, including traction, plushness, the joy of riding not only off-road but off-trail. Unfortunately, those virtues come with the vice of a ride that feels plodding compared to a jittery, low-travel XC bike. Mercury Wheels' X3 27.5 Plus Boost Wheelset goes some way toward bridging the gap between those two extremes, combining an extra-wide footprint with Boost axles to complement today's breed of high-clearance, all-mountain framesets. These bikes tend to have aggressively proportioned rear triangles with slacked-out front ends, and the X3 27.5 Plus Boost wheels max out that dynamism with equal parts torsional stiffness and plus-sized traction. The only limit is a given frame's tire clearance.
The rims consist of all-mountain-inspired, lightweight, stiff aluminum that lives up to the trail-furniture-be-damned attitude that their efficient ride quality inspires. While alloy wheels aren't as stiff as carbon, a 40mm external width and the improved spoke bracing angle of Boost axles conspire to reduce flex while climbing and barreling through lines. This is a full 5mm wider than the standard X3 rim, and the internal width of 35mm means the Plus rims can just about swallow their skinnier counterparts. That width also lets plus-sized tires plump out to their preferred girth, allowing for a larger contact patch and lower PSI.
- An all-mountain wheelset that maximizes traction
- Rim width tailored for plush, plus-sized tires
- Stiff Boost thru-axles reduce torsional flex
- Mercury Wheels is the self-sponsored racer's best friend
- Item #MCW000E
- Q & A
What a wheel set!!!
- Familiarity: I've used it several times
I bought a new Scott Genius 710 PLUS and needed to replace the ho hum wheels that came on the bike. Since, I bought a set of Mercury's road wheels and really liked them I decided to see what type of MTB wheels they had. I didn't have enough $$ for a set of carbons, so their X3 Plus wheels were perfect! I pulled the trigger on them, then read this "nail on the head" review... http://www.tetongravity.com/story/gear-tech/teton-tested-mercurys-x3-plus-tire-wheels
- Familiarity: I've put it through the wringer
These wheels are crazy light! Ive been running them with a 2.8 and 3.0 WTB ranger and absolutely love them!
Which tubeless valve stem can you use on these wheels? Do you also need a rim strip?
Hi David, these do not come with the rim strips.