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Looks Are Deceiving When It Comes to the Maxxis RAZR MT

Posted in How To: Wheels Tires on December 1, 2017
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Maxxis says that the RAZR MT is the company’s flagship mud-terrain and that the tire was engineered with know-how gained from involvement in off-road racing. We say don’t let the extremely aggressive and open-lug tread pattern of the Maxxis RAZR MT fool you. Of course, it’s obviously a mud-terrain tire, and most of us would assume that the large voids and chunky lugs would make for an extremely loud on-road experience. This could not be further from the truth. Interestingly, the Maxxis RAZR does create audible noise up to about 55 mph. After that, the tire starts to quiet down, and by the time you reach 70 mph, the Maxxis RAZR tread emits about the same noise as a much less aggressive all-terrain tire or mildly treaded mud-terrain.

We mounted our 32x11.50R15 Maxxis RAZR tires on 15x8 aluminum wheels and slung them onto a 4,000-pound 4x4. We skipped on the tire balancing to see how smooth they would roll, and we were not disappointed. They roll very smoothly, even unbalanced.

The Maxxis RAZR tires are fortified with three-ply sidewalls and hefty sidewall tread lugs. We never punctured a sidewall. Airing down to 12-15 psi provided great traction and a smooth ride in most off-road conditions.

Our vehicle originally came with 31x10.50R15 tires. The door tag specifies 26 psi in the front and 29 psi in the rear. We found that the 32-inch Maxxis tires made best contact with the road at about 25 psi on our 4x4. After about 3,000 miles, the RAZR tires were due for their first rotation. Based on the treadwear we’ve seen so far, it should be easy for us to get 25,000-30,000 miles from the Maxxis RAZR, which is actually good for a performance mud-terrain tire on an IFS 4x4.

When we hit the dirt, we aired the tires down to 12-15 psi in most cases. The aggressive tread keeps the vehicle moving forward with confidence. In the sand we could have gone down as low as 10 psi. At this pressure we would have to avoid the urge to throw the truck sideways. Too much lateral sand slinging could pitch a tire bead at 10 psi or lower, which is something beadlock wheels could keep under control.

If you frequent lots of different types of terrain and weather conditions throughout the year, you’ll appreciate many of the tread characteristics found on the Maxxis RAZR. Maxxis says the tire features a new off-road compound with new chemical fillers for maximum tear and chip resistance and increased tread life. Despite our many attempts to chunk the tread by spinning the tires on dirt roads littered with sharp gravel, the tread lugs retained their shapes, so the new compound seems to be working. Other admirable tread features include siped tread blocks for better wet weather and winter traction and stone and mud ejectors to improve self-cleaning performance and minimize rock retention. The Maxxis RAZR really shined during a quick rip in thick, tacky, and slick mud that would have clogged up lesser treads. We were easily able to spin the tires clean for a fresh bite, even with a low-horsepower V-6 engine.

The sipes within the tread lugs of the Maxxis RAZR offer better traction on- and off-road in wet and icy conditions. The unique stepped shape of the lugs provide more biting edges for improved traction on loose soil and jagged rocks.

Overall, the Maxxis RAZR would make a great trail rig tire given the aggressive tread, available sizes up to 40 inches in diameter, and durable three-ply sidewall. However, the admirable road characteristics and large diameter flotation sizes with E load ratings would make the RAZR a great lifted commuter or tow rig tire too. With the RAZR, you’ll certainly never have to worry about getting stuck when pulling a heavy trailer or camper into your favorite off-road campsite.

Specifications (as tested)

Tire: Maxxis RAZR MT
Size: 32X11.50R15LT
Type: Radial mud-terrain
Load range: C
Max load (lb): 2,535
Sidewall construction: 3-ply polyester
Tread construction: 3-ply polyester, 2-ply steel, 1-ply nylon
Approved rim width (in): 8.0-10.5
Tread depth (in): 20/32
Section width (in): 11.9
Overall diameter (in): 31.8
Maximum psi: 50
Weight (lb): 58

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Suwanee, GA 30024

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