.
It will have a CT on it and the inner lip is longer.
2008 and up they are integrated.
There is no real difference. Move it down/up for proper shifting when mounting.
AJ-while rroof and I are normally “medical guys” he’s right on. I have always been a Campy guy and switched to a compact front ring setup two years ago with NO derailleur change. I just changed it’s position. The switch has helped this aging athlete climb. Good luck.