Originally Posted by
ColonelJLloyd
Not all derailleurs move the same amount for the same amount of cable pulled. Any derailleur will move as much as the shifter tells it to (cable pull), but that doesn't mean it's moving the right distance (to line up over the next cog).
Bingo
Now I want more details on that SRAM/suntour/Campagnolo abomination on the allez. That sounds fun. By ar ends to you mean bar end mounted grip shifters?