About Every once in a while we find ourselves on the trail or away from home needing a tool that's really, really hard to fake. Say, for example, a 16-notch tool to tighten external Center Lock and AFS disc brake rotor lockrings. And that's exactly what this is for. It works with a 12mm thru axle (a rear will give you the most leverage but a front will work too) and fixes a problem that doesn't come about often but can ruin your day if it does. Consider it part of your extended travel tool kit and toss it in your 'big day' bag, flight case, or the tool wrap that lives in your trunk. This tool was designed with air travel in mind, when it's all too easy to leave rotors on wheels and spend your vacation listening to your rubbing brakes and generally kicking yourself for skipping the simple step of removing those rotors. Specifications Precision machined from 6061-T6 aluminum Weighs just 17g For use with 12mm thru axles with a 3mm minumum wall thickness Important Notes 50Nm Max torque.How much is that? It's as if you were hanging 34lb of stuff from the handle, 100mm from the center of the tool (roughly the middle of your hand at the end of a rear thru axle). Most rotors specify a 40Nm torque (about 27lb of stuff). Any more and you're going to want a beefier handle. Use one hand to hold the tool against the lockring and the other to tighen or loosen using the handle. Some lockrings, especially front wheel lockrings, are awfully shallow. Take care to ensure full engagement and avoid stripping. Use only with 12mm thru axles with a 3mm (1/8in) or thicker wall (6mm max thru hole). Common sense is your friend: super-light parts don't like to be used as handles, but those with a 3mm wall (3-3.5mm is common) will give you a good margin of safety when the maximum torque value is observed. This is a hand tool: Don't use a cheater bar, hammer, foot, rock or anything else that isn't your hand to apply force. If you overdo it and bend your axle, don't put it back in your bike! One, it could get stuck. Two, it could be weakened and fail somewhere down the road. You don't want that and we don't either. Wear eye protection. Seriously. You only get two and they're awfully hard to fix. Less-Important Notes All trademarks are the property of their respective owners and do not imply endorsement by those owners.
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