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  • Mystery rattle inside the frame.

    So there's something rolling along the inside of the top tube of one of my steel frames and it seems to be bigger than the small hole in the lug.

    So my question is - forget about it, you won't notice it when it's built?
    Get a file and make that small hole bigger?
    Fill the tube with chemicals to break whatever it is down?
    Frame saver?

    Thanks in advance


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    • IMG_20200416_002630.jpg
  • Can you get something gloopy (pva?) in there to glue it down / stop it rattling?

  • Frame saver, Dinitrol, Waxoyl or similar should stick it in place and will also stop the top tube corroding. Chances are it's a bit of brass left over from brazing, so anything that will dissolve that is going to be bloody unpleasant stuff and will cause the frame to fall apart when it dissolves the brass holding the frame tube and lugs together.

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