Originally Posted by
ScottCommutes
I remember reading a thread this week where the guy found the WD40 solution to be short-term and ended up running all his shifters through an ultrasonic cleaner a lot of times to get all the old dried grease actually cleaned out of there.
Good luck!
How short term? If the bike is being used, they tend to stay good for quite awhile. Besides, the "fix" is simple enough that's it really no big deal. A little spray when the problem reoccurs. Much simpler than a bike that has sat for years.