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  1. #1
    The Idler Domromer's Avatar
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    front derailer question

    I replaced my front derailer cable and now it won't shift the chain to the big ring. What did I do wrong?

  2. #2
    Senior Member Retro Grouch's Avatar
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    You didn't give us much to go on. My guess is that you didn't have the shifter in the easiest gear position when you connected the shift cable.

  3. #3
    The Idler Domromer's Avatar
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    that could be it, so when I tighten up the cable, I need to be on the smallest front ring and largest cog?

  4. #4
    cab horn
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  5. #5
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by Domromer
    that could be it, so when I tighten up the cable, I need to be on the smallest front ring and largest cog?
    You have to be in the smallest front chainring and the front shifter has to be in it's easiest shift position. Assuming you have Shimano STIs, I generally push the little lever a half dozen times or so before connecting the shift cable to the derailleur. Then I pull the cable just snug with my needle nose pliers and tighten that sucker down. I seldom find it necessary to do any fine tuneing using a barrel adjuster.

  6. #6
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    Quote Originally Posted by Retro Grouch
    You have to be in the smallest front chainring and the front shifter has to be in it's easiest shift position.
    It's amazing how often this point gets overlooked when setting up a drivetrain or just changing shift cables. Of course, the same concept applies to rear shifting too.

    It seems most of the questions starting "my bike won't shift to the largest or (smallest) chainring (or cog)" are the result of this.

  7. #7
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by HillRider
    It's amazing how often this point gets overlooked when setting up a drivetrain or just changing shift cables. Of course, the same concept applies to rear shifting too.

    It seems most of the questions starting "my bike won't shift to the largest or (smallest) chainring (or cog)" are the result of this.
    Yup. The reason that I know is because I've done it myself MORE THAN ONCE!

  8. #8
    The Idler Domromer's Avatar
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    alright it worked, I'm trying to learn to do all bike reapirs myself. I'm sick of spending all kinds of money for simple repairs

  9. #9
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    Quote Originally Posted by Domromer
    alright it worked, I'm trying to learn to do all bike reapirs myself. I'm sick of spending all kinds of money for simple repairs
    Great. What you did is a very common oversight but I'll bet you will recognize it when it happens again. And yes, I've done it too

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