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Thread: up side down?

  1. #1
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    up side down?

    Sorry. I know this have been gone thru countless time.
    How do you guy change your tube when face a flat on the trail?
    I read somewhere that you should never flip your bike up side down with Hyro disk brake but guess not everyone carry a repair stand on the trail?

    ????

  2. #2
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    I flip mine, not very problematic unless there is already air trapped in the system. If the lever feel weird, just pump the brake a little while gently hitting the caliper, hose and lever to make any air bubble come up. After a few months, my rear brake lever went almost all the way to the handlebar until the brake clamped the rotor. When I checked the brake, I noticed the pad was dead, no counpound left so I need to replace/reset the thing anyway...

    It could be worse on some brakes. I have Shimano XT 2004 but I heard Magura Martas were more sensible to that kind of things.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  3. #3
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    Quote Originally Posted by opticals
    Sorry. I know this have been gone thru countless time.
    How do you guy change your tube when face a flat on the trail?
    I read somewhere that you should never flip your bike up side down with Hyro disk brake but guess not everyone carry a repair stand on the trail?

    ????
    I've heard some brakes can get air into the lines *if the lever is squeezed* when they're upside down, as many designs have *some* air in the reservoir (probably not Hayes). You should be ok if you don't touch the levers. I don't flip my bike downside-up after removing one wheel though, just lean it against a tree or whatever.

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