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chain rubbing on front derail

Old 07-11-11, 06:09 AM
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chain rubbing on front derail

could it be that the rear needs to be adjusted? like the setting that makes it go from side to side?
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Old 07-11-11, 06:36 AM
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So how's the rear shifting? If you think it's good, leave it alone.

Front derailleurs are a lot more picky about perfect adjustment than rear derailleurs. There are also a number of adjustments that can be made to a front derailleur each of which affects the others. It's not uncommon at all to find a front derailleur that has been totally fubarred because somebody kept making misadjustments to correct his previous misadjustments.

If you want to readjust your front derailleur yourself and you lack the experience to be confident of what specifically is wrong, do this:

1. Go to the Park Tool website. Look up installation instructions for front derailleurs.
2. Disconnect your shift cable from the derailleur.
3. Start at the very beginning with the position of the derailleur on the seat tube. Follow the Park Tool instructions in order and don't skip any steps.
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