i went to search forums and although it wasn't verified, european frames like colnago, merckx, bianchi, ect use english threaded headsets on 1 inch threaded forks, some guy said there is no italian threaded headsets , just bottom brackets. that i know. all my frames used english. just isn't sure about this 93 colnago master olympic that i'm receiving soon. i plan to install a campy record headset, just need to be sure