Originally Posted by
JMRobertson
Further info... one of the teeth in the middle gear is noticably bent in towards the smaller gear... probably a 15 degree bend. The chain will not go on this tooth, but rides on top of it. Is that normal?
Some of the teeth will have special shapes to enhance shifting, but if you have only one "bent" tooth you may well have a defective chainring. It may be better to have it replaced rather than trying to straighten it. This does not sound like a derailleur adjustment problem to me.
Al