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  1. #1
    Senior Member (Retired) gmason's Avatar
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    Campa Centaur triple: 50/40/30 to 50/39/26

    This is the plan to help the wife on the bigger climbs here. In fact, she has been running a 28 (Salsa) in place of the 30 for a while with no issues. The two new TA rings arrive soon.

    I tried to find a 38, but no joy. Though the capacity exceeds Campa's recommendation, I think that will be OK. My only real concern is the dynamic of the 39 to 26 shift - do it with care, I suspect.

    Any comments?

    Thanks...Gary

  2. #2
    Senior Member sydney's Avatar
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    Quote Originally Posted by gmason
    This is the plan to help the wife on the bigger climbs here. In fact, she has been running a 28 (Salsa) in place of the 30 for a while with no issues. The two new TA rings arrive soon.

    I tried to find a 38, but no joy. Though the capacity exceeds Campa's recommendation, I think that will be OK. My only real concern is the dynamic of the 39 to 26 shift - do it with care, I suspect.

    Any comments?

    Thanks...Gary
    A 26/42 works with shimano STI.

  3. #3
    feros ferio John E's Avatar
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    On my mountain bike, which has a SunTour XC6000 front derailleur, I successfully ran the same 16-tooth bottom drop to which Sydney alludes with a Sugino 24-40-48 combination. As long as I shifted in a careful, low-torque, old-school fashion, it never gave me any trouble, although I could jam things up a bit by moving the lever too rapidly and/or by pressing too hard on the pedals while upshifting.
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
    Schwinn: 1988 Project KOM-10, S/N F804069

  4. #4
    Get the stick. darkmother's Avatar
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    I've got a 52 42 28 on my cross, and it shifts fine. I am using a friction shifter though, so YRMV.

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