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  1. #1
    Senior Member kris247's Avatar
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    Mar 2007
    Salt Lake City, UT
    My Bikes
    2006 Specialized Stumpjumper
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    Help Me Identify and Replace my Derailleur

    So, I'm an idiot. I got a new (to me) bike last week, and when riding around the neighborhood checking out the gearing I threw the rear derailleur into my spokes. Sigh.

    The derailleur was (well, still is, I guess) a Campagnolo Veloce 9-Speed rear derailleur. It looked like this:

    So, identifying it is easy. Or, so I thought. Obviously it's a Veloce 9-Speed. But, the question is: how can I identify it well enough to replace it? There's no serial numbers or any sort of obvious way of dating it, so I'm not sure how to replace it. Can I buy a modern Campy 8 or 9-speed derailleur and hook it up to the Syncro II DT shifters on the bike? Do I need to buy a derailleur of a similar vintage? Do I have to stick with Veloce, or can I upgrade to higher-end component?

    For what it's worth I'm running two rings on the front, with an 8-speed cassette on the back. At least, I think it's a cassette, it could just as easily be freewheel. I don't know the gearing, but I can certainly check it out when I get home.

    I'm a little over my head with trying to ID and purchase bike components, so please excuse my n00bishness.
    "Let our people travel light and free on their bicycles." -- Ed Abbey

  2. #2
    Freewheel Medic pastorbobnlnh's Avatar
    Join Date
    Oct 2005
    Ascending or Descending the NH Mountains NW of Concord!
    My Bikes
    Snazzy* Schwinns, Classy Cannondales, & a Lonely '83 Santana Tandem (* Ed.)
    69 Post(s)
    2 Thread(s)
    Ebay can be helpful. I typed "Campagnolo 9 speed derailleur" and came up with these results:

    Any Campy 9 speed should work as long as you go for the same cage length, i.e. chain capacity for the teeth on your cassette. Your RD looks to be a short cage so my guess is your biggest cog is between 23-27.

    Here's another source for new RDs. Scroll down a little. Best of luck.
    Dreaming about riding in NH's summertime!

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