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  1. #1
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    is this rear derailleur short cage or long cage?

    I'm selling the rear derailleur off this bike, and someone asked whether it's short or long cage. I assume it's long. Is this correct?


  2. #2
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    There's no one definition for cage lengths, but yours appears to be a short cage. In Campy derailleurs short cage models typically are about 55mm on center between the pulleys, medium cages are 74mm.
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  3. #3
    Senior Member Shimagnolo's Avatar
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    I have a long cage Centaur with pulley centers ~90mm.

  4. #4
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    My long cage '06 Chorus rd is 88 mm between pulley centers and my long cage Shimano Ultegra RD-6500 is 72mm. Campy made short, medium and long cages and Shimano only short (SS) and long (GS) cage road derailleurs.

  5. #5
    Senior Member LesterOfPuppets's Avatar
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    Your water bottles are gonna fall out!
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  6. #6
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    thanks 55mm is correct

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