Trek 5200 OCLV Head/Down tube joint
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  1. #1
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    Trek 5200 OCLV Head/Down tube joint

    Anyone know if the junction between head tube and downtube on a Trek 5200 OCLV frame is hollow (continuous interior of tubes)?

    I have a broken rivnut fragment rattling around the downtube and the easiest way for me to remove it would be to remove the fork and drop it out of the head tube if the void continues from the downtube to the headtube.

    Thanks.

  2. #2
    'brifter' is f'ing stupid
    Reputation: cxwrench's Avatar
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    Yep, that will definitely work. You could also take the seatpost out and do it that way...even easier.
    #promechaniclife

  3. #3
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    Thanks, CX.

    So you think when the fragment goes into the BB area it can get past the BB spindle and head into the seat tube?

  4. #4
    'brifter' is f'ing stupid
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    Absolutely. There are no barriers/internal walls anywhere in Trek OCLV frames.
    #promechaniclife

  5. #5
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    but, but, but ...

    You think the fragment will get buy the BB spindle and/or there isn't a BB plastic sleeve in the way?

  6. #6
    'brifter' is f'ing stupid
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    The bb shell is much bigger than whatever bb unit you can install in the frame. Unless there is a bunch of grease in there and the rivnut gets stuck in that it'll come out.
    #promechaniclife

  7. #7
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    Good to know. Hopefully I can coax it around the bend and into the seat tube as that seems the easiest removal path.

  8. #8
    'brifter' is f'ing stupid
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    Just pull the post, turn it upside down and smack it a few times. It'll come out.
    #promechaniclife

  9. #9
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    Success! Thanks, CX.

    Wouldn't drop out by itself or with some whacks, so must have been some grease holding it in.

    Finally saw it looking down the seat post and strapped a magnet to a long piece of copper tubing. Voila!

    I'm used to working on Columbus frames and I don't think this method would have worked on steel.

  10. #10
    'brifter' is f'ing stupid
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    Nice, good work!
    #promechaniclife

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