In a message dated 12/1/00 10:56:49 AM Eastern Standard Time,
> The Atala introduced me to the tendency of large
> frames to develop a shimmy on downhill and other high
> speed coasts--it became practically unmanageable
> coasting above 20 mph.
> My next bike was a Bottecchia with a Campy Record (not NR)
> partial group. It was a better bike altogether, and it
> stayed in the family for several years. It, too had a
> tendency to shimmy, but it was always manageable. In
> 1975, I replaced it with the Bill Boston.
> I ride two different 251/2" Raleighs and they don't have a shimmy problem. I wonder if your problem was more related to tubing choice or frame angles. How did the Bill Boston frame compare? Much better I'm guessing.