Originally Posted by
Bob Ross
You also probably need to have a very comprehensive dialog with your current mechanic if whatever they most recently did fixed the problem. Not knowing what to make of all this means both you and he may be destined to repeat these shenanigans in the future.
iow, what did he do that finally fixed it? and, why didn't he do that the first time around?
They made more derailleur adjustments. They did the same previously, but didn't get it right. Problems weren't apparent until I went on a long ride w/ some hills.