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  1. #1
    RoadBikeReview Member
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    Double STI Claris shifter + triple 105 FD + double chain rings

    Hi all,

    I searched forums for a while trying to find somebody who already tried this combination. I have sourced out a triple 105 front derailleur and was wondering whether it will work (from the pull ratio perspective) with my 2x STI shifter on the existing 2x chain rings.

    Thanks!

  2. #2
    Cycling induced anoesis
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    This question is better suited for the components/ wrenching forum, but to answer... my *guess* is it would work, but without knowing the specific model designations of each component, I wouldn't want to say with certainty.

    Also, considering the cost of a new Claris double FD (~$10-$20), I'd strongly consider going that route.

  3. #3
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    I tried it. Works flawlessly. I have the impression that the triple derailleur cage is even better performing than I hoped. Almost no trim necessary.

  4. #4
    Cycling induced anoesis
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    Quote Originally Posted by toki View Post
    I tried it. Works flawlessly. I have the impression that the triple derailleur cage is even better performing than I hoped. Almost no trim necessary.
    The cages for double/ triple are designed differently, but performing is what matters. Glad it worked for you.

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