Adding 3rd chainring to TCR 2?

Discussion in 'Cycling Equipment' started by Florin, May 22, 2003.

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  1. Florin

    Florin Guest

    Is it possible (and practically feasible) to add a 3rd, small, chainring to a Giant TCR 2? It has
    only two, and it is hard going uphill.

    Thanks very much!
     
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  2. "florin" <[email protected]> wrote in message news:[email protected]...
    > Is it possible (and practically feasible) to add a 3rd, small, chainring to a Giant TCR 2? It has
    > only two, and it is hard going uphill.
    >
    > Thanks very much!

    You would have to change the crankset and bottom bracket, at least. Perhaps a better way, not
    including getting in better condition yourself, is if you are using Shimano equipment have an XT
    rear derailluer and cassette installed. This is much less expensive, easier to do, and you can
    change your gearing back to its original configuration fairly easily.
     
  3. In article <[email protected]>, florin <[email protected]> wrote:
    >Is it possible (and practically feasible) to add a 3rd, small, chainring to a Giant TCR 2? It has
    >only two, and it is hard going uphill.

    Yes, what you do is replace the crankset, bottom bracket, and front derailleur, often the rear
    derailleur as well, sometimes the chain.

    One cheaper alternative is to replace only the cassette cogs - if you have a bike equipped with a
    short-cage Shimano rear derailleur then you should be able to install a 12-27 cogset which might be
    a little lower than you have.

    Or you can also replace the cassette cogs and the rear derailleur, going to a mountain bike
    derailleur such as Deore LX, and installing a wide-range MTB cassette such as a 11-32. New chain
    also required for that, but don't have to replace cranks or front derailleur, very easy conversion.

    Depending on which crankset you have, you may also be able to replace your 39-tooth small
    chainring with a 38. Doesn't work on all 130mm BCD crank arms though as the spider sticks up too
    far on some of them.

    --Paul
     
  4. rinflo-<< Is it possible (and practically feasible) to add a 3rd, small, chainring to a Giant TCR 2?
    It has only two, and it is hard going uphill.

    Possible but not considering a 'tripleizer', you will need a triple crank, longer bottom bracket,
    new front der and maybe rear and perhaps also a triple compatible left shifter-lots of bucks OR

    If shimano, get a MTB rear der, like a XT, and a MTB cogset, like a 12-32 or so-

    Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302
    (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
     
  5. Top Sirloin

    Top Sirloin Guest

    On 22 May 2003 13:49:37 -0700, [email protected] (florin) wrote:

    >Is it possible (and practically feasible) to add a 3rd, small, chainring to a Giant TCR 2? It has
    >only two, and it is hard going uphill.
    >
    >Thanks very much!

    How long have you been riding?

    --
    Scott Johnson "Always with the excuses for small legs. People like you are why they only open the
    top half of caskets." -Tommy Bowen
     
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