Cycling Equipment · Public discussion

Help in replacing drivetrain

Started by Feris · · Last activity · 2 posts · 484 views

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Cycling Equipment
Published
14 September 2005
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14 September 2005
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Feris
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  1. I have a Schwinn Crisscross ATB circa 1992 that has Suntour deraillers,
    shifters and cassette along with Joytech hubs. Cleaning the hubs revealed
    severe pitting in the cones and I'm having a hard time finding the correct
    replacement pieces. In addition the cassete cogs on the smaller gears skip
    badly and I assume the chain needs replacing as well. I guess I just need
    to replace the entire drivetrain including the hubs and wheels!? It looks
    to be getting pricey quickly! Is this the most cost effective option?

    If so, is there a guide/tips to replacing a drivetrain, including matching
    wheels and hubs/freewheel, crank, etc? I'm lost as to finding what hubs
    work with which cassettes which work with which derailler which work with
    which shifters etc. By the way the shifters are NOS Suntours - can they be
    reused? I don't want top shelf components as this bike is meant more as a
    beater and experimention type thing.

    Cheers!
    Duke

  2. Feris said:

    I have a Schwinn Crisscross ATB circa 1992 that has Suntour deraillers,
    shifters and cassette along with Joytech hubs. Cleaning the hubs revealed
    severe pitting in the cones and I'm having a hard time finding the correct
    replacement pieces.

    Really? Unless these are very unusual hubs, replacement cones should be
    easy to find and cheap. Replacing the hubs themselves is a lot more work,
    which I would not bother with unless the cups, not just the cones, were
    shot. If they are close to standard, get some inexpensive replacements
    hubs and try the cones & axles out of them.

    In addition the cassete cogs on the smaller
    gears skip

    Quoted message said:

    badly and I assume the chain needs replacing as well.

    Well, probably the skipping comes from a chain in sore need of replacing.
    But a worn chain will accelerate wear of the sprockets, so probably that
    cassette is gone. Biggest finiancial concern would be the chainrings, so
    try first without replacing those.

    I guess I just

    Quoted message said:

    need to replace the entire drivetrain including the hubs and wheels!? It
    looks to

    Usually not. If the wheels are otherwise in good shape, try to just
    replace the cones as above.

    Quoted message said:


    If so, is there a guide/tips to replacing a drivetrain, including
    matching wheels and hubs/freewheel, crank, etc?

    I never match anything if I can avoid it... Most drivetrain components
    are pretty generic. The exception is the match between indexed shifters
    and their derailleurs. Usually, there, the only need is to match the
    brand and the number of rear sprockets. You don't even always have to
    match the brand, but it's safer that way.

    Quoted message said:

    By the way the shifters are NOS
    Suntours - can they be reused?

    Sure, with Suntour derailleurs, or with friction shifting (not
    click-shifting) and any derailleurs.

    --

    David L. Johnson

    __o | It is a scientifically proven fact that a mid life crisis can
    _`\(,_ | only be cured by something racy and Italian. Bianchis and
    (_)/ (_) | Colnagos are a lot cheaper than Maserattis and Ferraris. --
    Glenn Davies

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