Originally Posted by pinetreeforest1
For some reason the bike is not running smoothly in the highest gear (smallest rear, big front) combo. It just doesn't spin smooth. I've been messing with the barrel adjuster trying all combos but to no avail. This is frustrating, I hate having to take my bike into the shop and pay $ when I can't get it myself.
High limit screw adjustment is your fix, your RD needs to be able to move ever so slightly more outward.
www.parktool.com for all the steps needed to perform the task.