Quad Tech B-Flap Review 0

Almost any UTV owner has had the unfortunate experience of trying clean out mud and caked-on dirt from the inside of their machine’s wheels. It’s amazing how much crud can accumulate in a short period of time, especially on the rear wheels. For some this can be just an annoyance when cleaning time comes around, but mud and rocks trapped inside the rear wheel can also cause catastrophic failure. Many brake rotors, calipers and wheels and been destroyed by one large rock wedging itself in the small space between these parts. Faster more powerful UTVs like the Polaris RZR XP1000 are more susceptible to this damage because of their power and ability to move massive amounts of dirt.

A single rock caught between the wheel and caliper can do serious damage.

A single rock caught between the wheel and caliper can do serious damage.

Quad Tech has created a product for the XP1000 they claim keeps rocks and mud out of the rear wheels, thereby reducing and nearly eliminating the chance of failure. Its B-Flaps attach to the XP1000’s rear trailing arm and deflect front tire roost that either follows the arm into the wheel or comes in diagonally from the other side of the UTV.

Rocks and mud can build up inside the rear wheels of the XP1000 and could lead to a broken wheel.

Rocks and mud can build up inside the rear wheels of the XP1000 and could lead to a broken wheel.

The thick, rubberized B-Flaps are more than just a piece of material hanging from the bottom of the RZR. They have an internal structure that keeps the unit rigid enough to stand up to the onslaught of dirt and mud but flex when hitting large rocks, roots or ruts. Quad Tech’s crew spent several months of testing to get the size and shape just right.

The Quad Tech B-Flaps mount to the XP1000 trailing arm in minutes.

The Quad Tech B-Flaps mount to the XP1000 trailing arm in minutes.

4WheelDirt was lucky enough to be the first to try the B-Flaps on our Project Polaris RZR XP1000 for a review. Just before we got the flaps a rock had actually cracked one of our very strong and expensive Method Beadlock Wheels, and our buddies over at Scranton Boys Racing lost the rear brakes at a Lucas Oil Short Course race after the wheels became completely packed with mud. We were excited to give the B-Flaps a shot.

Installation is quick – 10 minutes if you stop for a bathroom break. Not a single bolt has to be removed from the XP1000. The B-Flaps wrap around the trailing arm just in front of the shock and are held in place with four bolts. It’s so simple; it is easy to assume there is no way they can work. But they do!

We’ve raced the Project XP1000 at three WORCS races and one Dirt Series Race with the B-Flaps and have had zero issues. While the rest of the RZR has been completely coated in roost, the insides of the rear wheels have remained completely clean. And by clean I mean not a speck of mud whatsoever. Sure they may look a little goofy at first, but you won’t look goofy crossing the finish line while others without the flaps are sidelined with busted hindquarters.

We have used Quad Tech B-Flaps for three rounds of the WORCS Series and are impressed with the product.

We have used Quad Tech B-Flaps for three rounds of the WORCS Series and are impressed with the product.

While the B-Flaps are only available for the XP1000 at this time, Quad Tech is working on version for other sport UTVs such as the Can-Am Maverick and Polaris RZR 900.

At $275, Quad Tech’s B-Flaps are not cheap, but they are worth every penny when it comes to preventing a race- or ride-ending wheel or brake failure. Whether you are a racer or trail rider, a set of B-Flaps should be on your short list of mods for the XP1000.

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