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  1. #1
    Junior Member
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    Mar 2007
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    damaged colnago master

    have a colnago master x light with a 3mm deviation in the top tube and a kink in the tubing underneath the top tube near the lug.Rather than scrap the frame my local garage is happy to weld a piece of steel to the underside.It will look dreadful but will hopefully salvage the frame for training purposes.Are they any precautions the welder should take and should the weld be done in a particular fashion given the nature of columbus gilco tubing.
    Thanks

  2. #2
    Senior Member jerrymcdougal's Avatar
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    Oct 2006
    My Bikes
    86' Davidson Impulse, 83' Windsor Professional
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    Wouldnt you be better off just brazing in a new top tube? Even if the new tube is not Columbus. I would go that route personally. Seems such a shame to deform such a nice bike.

    If you do go the welding route, make sure your welder uderstands how thin the tubing is. If he doesnt he will surely burn straight through it.

    Best of luck!

  3. #3
    Senior Member
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    If they are skilled in welding very thin wall tubing they may be able to do it.

    Honestly, I would not do a thing. This frame is, IMHO, junk at this point. I would only use it as a get to the grocery store bike.

    There are many nice Taiwanese frames that are superior to your Colnago (Sadly, alll Colnalgos are made in Taiwan anyways) or there are budget oriented custom framebuilders in the US that can make you something great!

    All the best,

    Dave Bohm
    Bohemian Bicycles

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