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  1. #1
    RoadBikeReview Member
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    ird campy cassette 11-28 or 11-30 with stock Record derailleur?

    Will the Record rear derailleur work with either the 11-28 or 11-30 IRD cassettes? The current rear cassette is a 13-26 9 speed.
    I converted my wife's road bike to a flat bar using the Campy Ergo flat bar 10 speed shifter setup last year. I'm looking for a slightly wider gear spread.
    Thanks.

  2. #2
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    Change that to the Campy Centaur 10 speed road 12-30.

  3. #3
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    Waxahachie, Texas
    Biciclette Gios

    "Forget it, Jake. It's Chinatown."

  4. #4
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    It should "work" in terms of clearance. You will likely need to adjust the "H" screw.

    What DL is pointing out is that it may be marginal for the full range of gearing because the Record RD is limited to a total takeup of 32-33T.

    12-30 takes up 18, leaving 15T difference for the chainrings. Therefore a 50-34 combo with a 16T difference will put the system slightly over.

    You just have to be very careful in chain sizing to make sure the big-big is OK.
    We just don’t realize the most significant moments of our lives when they’re happening
    Back then I thought “well there'll be other days”
    I didn’t realize that was the only day
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    There's sometimes a buggy.
    How many drivers does a buggy have?
    One.
    So let's just say I'm drivin' this buggy...
    and if you fix your attitude you can ride along with me.
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  5. #5
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    Up and running.
    Thanks for the help.

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