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  1. #1
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    Letting down your tires, to a desired pressure???

    I was wondering if there was an instrument of some sort that could be used to let down your tires to a desired pressure???

    Say you were road riding, and came along a dirt track and you wanted to let down your tires for grip. Is there someth\hing you can let it down with, or just poke the pin and use a guess and check method (letting down, measuring, pumping up, letting down ect.)

    Thanks in advance!

  2. #2
    Nature Worshipper hillyman's Avatar
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    I can't say I've ever let down my tires for off road traction,but I've over inflated my tires. I just use a tire gauge not pushed all the way down to let a little air out, then push it down to check the pressure.
    In every walk with Nature one receives far more than he seeks. John Muir

  3. #3
    Hucker Extraordinare BigHit-Maniac's Avatar
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    Welp, this "practice" is pretty common for 4x4 guys... it's called "Airing-Down".

    Anyway, I frequently do it.. as a lot of the trails I ride have paved path to get to them. So, I'll have 50-60 PSI in my tires for the paved part, and then lower them to 25-30 for the offroad. When I get done with my ride.. I'll C02 them back up a bit, or if I forget my inflator.. I'll just put up with the slow rolling resistance till I get back.

    -Matt
    Got Nine Inches ? Cuz I do. http://67.19.50.55/forums/images/smilies/eviltongue.gif

    AIM: MtnBikeHucker

  4. #4
    Senior Member
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    BigHit-Maniac can you do this while you are driving along? When I was a child a guy in my town had a DUKW truck like they used in D-day landings. It had airlines going into the hubs so he could inflate the tires as he came off the beach onto the paved roads.

  5. #5
    hello roadfix's Avatar
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    Just get a Hummer. You'll be able to deflate and inflate your tires on the run.
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