My own Koga-Miyata bike is a heavily modified
1996 Koga-Miyata SilverAce with FM-1 tubing after the
1989 Koga-Miyata RoadAce with FM-3 turned out to have a broken frame.
I built up a GentsTour with FM-1 tubing for a friend last year: Really nice lightweight bike, though in hindsight a bit small.