When I have my back wheel gears in either the lowest gear or highest gear, my chain clicks as I pedal.

How do I fix this?

  • What gear (if you have multiple gears) is your front derailer in?
    – Jack M.
    Commented Aug 26, 2010 at 0:50
  • @Jack - It is really only the middle and biggest gear in the front that this happens. The smaller front gear (lowest?) doesn't make any noise at all.
    – mlsteeves
    Commented Aug 26, 2010 at 17:23
  • One of your derailers needs adjustment. Could be the rear one, could be the front one. We can't tell from here with such a limited description of the problem. Commented Oct 17, 2016 at 2:05

2 Answers 2


You may need to adjust your derailer limit stops (see here).


Listen to where the clicking is occurring. Look down while you pedal at the front derailleur and see if there is any rubbing. If so adjust accordingly. If there is no noticeable rubbing on the front then it is your rear derailleur that needs to be adjusted.

Be careful when doing this. I have messed it up a few times with leaves you with a bike that cant shift.

If you dont feel confident in doing this yourself a shop can do it for you rather quickly. Also a great time to get a tune up and sized if you havent been already.

  • But really, anybody can do this. A shop will do it right, but they'll charge you through the nose too. Just make sure you understand how it works before jumping in and turning screws.
    – user23374
    Commented Oct 18, 2016 at 15:10

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