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MXA TEAM TESTED: BYRNEOS NUT-FLEX PRO TOOL

December 13, 2012
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WHAT IS IT? This ByrneOs Nut-Flex Pro tool is a well-built, simple, creative, one-tool-does-it-all, 1/4-inch drive wrench designed by a motorcycle racer.

WHAT’S IT COST? $21.95 (8mm/10mm/12mm or 8mm/10mm/13mm).

CONTACT?
www.byrneos.com.

WHAT STANDS OUT? Here’s a list of things that stand out with the ByrneOs Nut-Flex Pro tool.

(1) All-in-one . You can find 1/4-inch-drive breaker bars in every tool store. However, the ByrneOs (pronounced “burr-nose”) Nut-Flex Pro puts several new spins on the classic breaker bar. First, the Nut-Flex Pro tool comes with a screwdriver handle instead of the typical metal handle of a breaker bar. The screwdriver handle allows the user to spin bolts and nuts off with a flick of the wrist. Second, thanks to the wonders of magnets, the Nut-Flex Pro has the most common sockets that you’ll need to work on a Japanese (8mm, 10mm, 12mm) or European bike (8mm, 10mm, 13mm) hidden in the screwdriver-style handle. Third, to access the extra sockets, you remove the magnetized socket from the drive end of the tool and use it to easily pull out the extra magnetized sockets.

(2) Socket access. When removing the two extra sockets from inside the handle, use the first magnetized socket to pull everything out at once. Then, select the socket you want to use and put the old socket onto the pack (it stays in place with its magnet) and put the pack back into the handle. It works very much like the clip on a Colt .45. To get the magnetic socket to let go of the tool’s end cap, slide it off to the side. Be forewarned; the magnets are very powerful and will grab onto any metal parts they come in contact with.

(3) Tricks. With one Nut-Flex in hand, we were able to remove the plastic, levers, bars, exhaust, chain guide, fenders and case bolts without ever going back to the toolbox for more tools. We loosened the bolts with the flex head angled at 90 degrees and then spun the bolts out with a screwdriver-style action (thanks to the blue plastic screwdriver handle) The Nut-Flex isn’t a ratchet wrench, but the more you use it, the better you get at spinning it.

(4) Versatility . The ByrneOs Nut-Flex Pro tool will accept any 1/4-inch drive socket or attachment. If you have a KTM, order the 8mm/10mm/13mm Nut-Flex.

WHAT’S THE SQUAWK?
Our major complaint is that the Nut-Flex breaker bar is limited to a 1/4-inch drive size. There are three popular drive sizes: 1/4-inch, 3/8-inch and 1/2-inch. The 1/2-inch drive is used on heavy equipment and at high torque loads. The 3/8-inch drive socket is the most popular. It supports sockets up to 30mm, yet is small enough to handle smaller jobs (down to 8mm). The 1/4-inch drive socket is the smallest of the common sizes. Its pluses are that it is small, light and has the widest variety of accessories. It can hold sockets as small as 4.5mm. The biggest socket size that a 1/4-inch drive can handle is 17mm, but if the bolt or nut is ultra tight, the 1/4-inch drive may not handle the load.

It won’t replace a screwdriver, hammer or tire tool, but it does the job of a whole toolbox full of sockets.

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