Originally Posted by
pabuck
Thanks, avenan. I'll be keeping the 105 shifters.
So basically I'm not limited to the 7-speed stuff, as long as I stick to 105 or 600?
That's correct. There were style changes, but the derailleur geometry remained (remains) the same. DA changed with the switch to 9 speeds, so a 9/10 speed DA derailleur *will* work.