Crack in Frame

Discussion in 'Cycling Equipment' started by MaxPrime, Oct 12, 2004.

  1. MaxPrime

    MaxPrime New Member

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    I've been riding an aluminum frame for two years now. I looked at it while cleaning it today and the paint is cracked (not scratched) in one place along the downtube. How do I tell if this is a surface paint crack or a metal crack? Thanks.
     
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  2. packmagician

    packmagician New Member

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    One way is to use a sharp knife or razor blade to scrape away the paint in a small area over the suspected crack.
     
  3. awiner

    awiner New Member

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    Obviously X-ray machines aren't available to most of us, but if you know someone that has access to such a machine you could X-ray it.
     
  4. Fat Hack

    Fat Hack New Member

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    Yeah, you've gotta get the paint off. This happened to me.

    I scratched the top stuff off, then sanded, then used steel wool to smooth out the alu to make sure it wasn't a scratch, but it wasn't. :( I kept buffing and buffing with the steel wool, hoping that the crack would disappear, but it didn't.

    In my experience, if there's a crack in the frame, the paint movement looks like a miniature fault line
     
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