Hi guys. I revise this post, since I have found something very interesting and that I will surely carry out. They are 305 discs with Alfa 166 clamps inside 15 "rims." The only thing I do not know, is that 305x28 disc with a 50mm center and 5x98 will go to Alfa 156. If not, I should modify one.

http://www.turbosport.co.uk/showthread.php?t=148562