Originally Posted by
brian669
you don't need all of that. all you need is the crankset. usually a good idea to swap the bb while you're there though.
I could not adjust my derailleur so that it made it to both rings on my 50-34 crankset without often dropping the chain until I gave up trying to use a triple front derailleur (Campagnolo Racing-T) and had it working in a few minutes with the correct double (Campagnolo Chorus CT).