Bubbles coming out of rim

raymond82
raymond82 Posts: 330
edited November 2013 in Workshop
I'm still not sure whether I actually saw this but when I loosened the spokes of an old wheel to take it apart and rebuild it I saw bubbles coming out of the rim where the ends are joined. Does that make any sense?

Comments

  • sungod
    sungod Posts: 16,517
    not sure if you mean bubbles from the rim joint, or from the spoke holes

    if there's any water inside and a even slight pressure differential, e.g. due to the wheel being moved to a warmer/colder place, you could get bubbles
    my bike - faster than god's and twice as shiny
  • raymond82
    raymond82 Posts: 330
    not sure if you mean bubbles from the rim joint, or from the spoke holes

    The bubbles came from the rim joint, I'm mainly wondering if I have to worry about the strength of the rim now.
  • cycleclinic
    cycleclinic Posts: 6,865
    If the joint is pinned it will not be sealed so bubbles of water would not mean a weak rim just a rim with some water ingress.
    http://www.thecycleclinic.co.uk -wheel building and other stuff.
  • napoleond
    napoleond Posts: 5,992
    Is it an Aero rim?

    :D
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    ABCC Cycling Coach
  • raymond82
    raymond82 Posts: 330
    Is it an Aero rim?

    Haha, more like an Aqua rim apparently...
    If the joint is pinned it will not be sealed so bubbles of water would not mean a weak rim just a rim with some water ingress.

    I see! It's a Mavic cxp22 rim, I was quite surprised to see water coming out to be honest. Anyway good to know that it doesn't mean the rim is weak. Although I was hoping it would explain why I can't get the bloody thing true after rebuilding it...
  • gethinceri
    gethinceri Posts: 1,515
    Did Michael Jackson own the wheel before you?

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