I been thinking for awhile about trying out a compact crank so today I picked up a Ritchey WCS 110 V 50/34 at a great price. I went to see my favorite mechanic to chat with him about the bike I wanted it for and he said because the frame uses a braze on deraileur it would be difficult to impossible to properly adjust the Ultegra FD currently on the bike to work with the Ritchey compact crank. He suggested that I purchase the IRD deraileur designed for use in braze installations with a compact crank, http://www.interlocracing.com/cdfrtder.html. By the way, his shop doesn't sell them, so he wasn't looking create a sale. In any case, I went ahead and ordered the IRD CD Deraileur from Excel Sports and I'm sure it will work just fine. The question is, did I really have to buy it to use the compact crank, or could the Ultegra FD be adjusted to work correctly?