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  1. #1
    Disraeli Gears Charles Wahl's Avatar
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    Jul 2007
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    Cracked (not separated) forged dropout; repair?

    I bought a vintage Motobecane frame with chromed rear stays and dropouts. Unfortunately, the drive-side rear dropout seems to have a crack about 3/4 the way through the chainstay web, right at the front of the raised dropout face, starting at the top. Please see attached photo. Is it a lost cause, or dodgy venture, to have it repaired by welding (grinding material away if that's necessary), or should I bite the bullet and have both rear dropouts replaced? I'd love to replace just the one, but they're obscure Simplex ones, that I'd probably never find a match for.

    I understand that the chroming complicates things. Correct me if I'm wrong: there's really no way to rechrome the dropouts without rechroming the whole length of the stays as well. Actually, the whole frame is chromed, and the triangle painted over that, as is not uncommon. Chrome (though French ;-)) is in good shape, very little spotting/rusting.

    More photos of the frame here:

  2. #2
    Decrepit Member Scooper's Avatar
    Join Date
    Aug 2005
    San Francisco California
    My Bikes
    Waterford 953 RS-22
    4 Post(s)
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    I had a similar crack, although it was nearer the dropout/chainstay joint. Paul Sadoff (Rock Lobster in Santa Cruz) repaired it by putting a "V" groove in the dropout along the crack, then welding (not brazing) the crack. He cleaned up the weld and had just the dropout rechromed (before painting). It has held up nicely and is virtually undetectable.

    - Stan
    Freedom is about being independent from fossil energy - Bertrand Piccard, pilot of Solar Impulse

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