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help: easy derailer question.(5 posts)

help: easy derailer question.husker
Aug 31, 2002 8:52 AM
This is an easy question for those that have a clue. I just had a dura-ace front derailer replaced. It now makes a very bad grinding sound when it is in the big ring (the chain is rubbing against the derailer). How can I adjust this? I know that it is an easy fix, but I'm just not that bright with these things. If you know how to fix it, please explain it to me like you would to a three year old. By the way, there is no grinding sound when it is in the small ring and when in the big ring, it grinds less in the smallest (hardest) rear gear. Please keep the snide remarks to a minimum.

Thanks in advance.
Aug 31, 2002 8:58 AM
Assuming it was correctly installed, use your trim control... click your shifter lever, but don't actually shift gears.
re: help: easy derailer question.allezrider
Aug 31, 2002 10:24 AM
if the trim doesn't work then you could use the two screws on top of the front derailler to adjust it a little but I wouldn't too much or it will mess your shifting up. But I gotta say that it sounds like you just need to use the trim and that should take care of it. hope this helps...
thanks a lot! That helped! (nm)husker
Aug 31, 2002 5:40 PM
If you are good with tools and can read instructions.......gogene
Aug 31, 2002 5:44 PM
...go here:

Park Tools instruction on how to set-up and adjust your front derailluer. Read it carefully on follow the instructions, in order, exactly. It helps if you print it out to have with you while working on the bike.

The Park Tools repair help is extremely good, very detailed and easy to read.

If you are not good with tools or uncomfortable about working on your own bike, take it to your LBS to have it done properly and ask him how he does it. If he tells you, a six-pack of his favorite beer is in order.