Following up on my recent post: I am pretty certain that the shift bosses are particular to Dura-Ace Ex. Thanks to Sheldon Brown's site I have located what they bosses look like:
http://www.sheldonbrown.com/
Now the question is can these be adapted to normal DT shifter use or does anyone have the odd-ball DA EX shifters FS or trade?
-- Sadiq Gill Richmond, VA
as always: Thank you Sheldon......R.I.P