If you really want to use the DA headset fit the first nut ie the top cap and loctite it in place. The locknut was invented before anyone had invented loctite. But whatever, face the headtube first, your new DA headset won't last anytime at all if you don't.
If you really want to use the DA headset fit the first nut ie the top cap and loctite it in place. The locknut was invented before anyone had invented loctite. But whatever, face the headtube first, your new DA headset won't last anytime at all if you don't.