Originally Posted by
fietsbob
Did you take the wheel back out , shift back and forth and see if it works
without the wheel in, just going in and out?
then, put the wheel back in , put it in a repair stand ,
[or hang from a cord so you can work the drivetrain with the wheel off the ground]
and shift it back and forth while turning the pedals etc..?
Good thinking, and remionds me of how sometimes the rear cable housing gets hung up on certain quick-release nuts or a rack strut, either of which can somewhat foul the shifting. The housing should follow it's own path and not tucked in or stuffed under, etc.