Originally Posted by rodar y rodar

Could that likely be done without moving and adjusting the derailler each time? I guess as long as the big ring stays the same, you could dink with it just once (or maybe not even that) to work with both setups, then swap away whenever. I`ve never tried a similar thing, though- I have terrible luck getting front deraillers to work right, so usually try like the dickens to avoid messing with them.