I'm working on my Univega Gran Turismo. I've just put on a new XD600 triple crank with a UN73 68x113 BB. Now I'm trying to adjust the Mountech front der. I'm stuck. If I pull the derailleur out as far as possible (until the lock nut hits the seat tube clamp) and bring the derailleur as low as possible, I can just barely get the chain onto the big ring. With the der. that low, when I bring it in for the small ring, it interferes with the above-the-bottom-bracket rear derailleur cable, and causes a rear upshift. Doh! If I bring the der any higher, it doesn't even make it to the big ring (and I should be able to get past it a bit and then trim).
So, I'm stuck and thinking about options...: shorter BB, new front der, bending current front der.
The big ring presently looks to be about 57mm from the center of the seat tube; that seems reasonable to me, so I think my derailler is being deficient. What would be the best cheap replacement? I've already bent out the bolt on the current derailler a bit, but I don't think I can go further to clear the clamp completely (and I think something else would limit the swing at that point anyway).
Also, it looks like I could fit a penny between the drive side crank and the end of the taper on the spindle, would a 110 or 107 spindle work? Where, exactly, do they get shorter?
Thanks for any advice.