Originally Posted by
fietsbob
Answer: No.
the issue of rubbing , I'm guessing is the STI shifter, since friction shifters can be trimmed by You with the shift lever.
direct answer... yes but no.
moving the limit screw will slightly alter cable tension and thus affect middle position on a triple.
i learned that when adjusting lower limit screws, its best done with no tension on the cable (or cable not hooked at all)