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  1. #1
    Senior Member balto charlie's Avatar
    Join Date
    Aug 2004
    1 Post(s)
    0 Thread(s)

    replacing shifters/brake and FD

    I ride an old (early 90's mt. bike) with 7 speed RD. I rebuilt the bike last summer, didn't replace the RD, FD and shifter/brakes levers. My bad. Well the rear shift/brake slowly died but I was able to purchase one on ebay. I think I want to replace the front shift/brake as well as the FD. Can I use any 3 speed FD and shift/brake combo out there that fits my frame? In my rebuild I went to a 48 large ring(from a 42) My current system BARELY makes the shift. It is maxed out. What do I need to worry about. Thanks Charlie

  2. #2
    feros ferio John E's Avatar
    Join Date
    Jul 2000
    My Bikes
    1959 Capo; 1980 Peugeot PKN-10; 1981 Bianchi; 1988 Schwinn KOM-10;
    22 Post(s)
    1 Thread(s)
    Avoid indexed shifting in front. It eliminates or at least greatly compromises your ability to feather the cage to avoid chain rub, and it restricts your derailleur choices.

    You need to worry about bottom-pull versus top-pull routing of your front derailleur cable, about clamp-on versus braze-on mounting, about clamp diameter (if clamp-on), and about cage geometry (bottom edge curvature and height difference between inner and outer faces, both of which are functions of the chainring sizes it is designed to accommodate).
    "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

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