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  1. #1
    Senior Member
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    old DA rear deraiileur 7401, play in main pivot, repairable?

    I got and old bike (early 90th), which has a complete Dura Ace group. The rear derailleur has significant play in the main pivot joint (where bolted to the derailleur hanger).
    To maintain the completeness of the group, can such be repaired? Are replacement parts (rather than finding a better complete RD) available?
    Thanks

  2. #2
    自転車整備士 oldskoolwrench's Avatar
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    Apr 2012
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    Denver, Colorado USA
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    '86 Moots Mountaineer, '94 Salsa Ala Carte, '94 S-Works FSR, 1983 Trek 600 & 620
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    Quote Originally Posted by saturnhr View Post
    I got and old bike (early 90th), which has a complete Dura Ace group. The rear derailleur has significant play in the main pivot joint (where bolted to the derailleur hanger).
    To maintain the completeness of the group, can such be repaired? Are replacement parts (rather than finding a better complete RD) available?
    Thanks
    Unfortunately, the upper derailleur body (where the spring, mounting bolt and spring tension plate go) has wallowed out somewhat,
    therefore the large amount of free play. The only thing to do is to find a replacement 7401 DA R. Derailleur.

    Keep an eye out in the C & V Forum, especially in the For Sale and the Trade threads... DA R. Derailleurs come through there,
    and there are a couple in the Sales thread that are reasonably priced.

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