Originally Posted by
RubeRad
That's odd, I've had shifting problems before where the solution was to screw the B-screw in further (to prevent the upper pulley from riding the largest cogs of the cassette), but never seen a problem that was solved by backing the B-screw out (or removing it). Glad you're riding and shifting though!
Thanks, I rode my 16 miles again today with no issues. I read somewhere that shadow derailleurs like to be close to the cassette cogs as possible. With the B-screw out its very close but not interfering at all.