No, I don't know the size for sure right now. I have access to a campy milling tool if I need it. I would like to replace tange w/ tange if possible but I will use other if it comes to it.
__________________
1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"