In a message dated 7/10/2 2:14:24 AM, monkeylad@mac.com writes:
>This is one of the reasons I've heard to use a heavier tube as the
>TT. The logic is the resonance and flex in the "thin" TT that is
>eliminated by placing a knee against the tube is also eliminated by a
>"thicker" tube. Bruce Gordon used to talk about this, but seems to
>have tamed his opinion over time. Has he "mellowed with age", say it
>isn't so.
>
I'd heard that one as well and I once made a bike with a .7/.4/.7 top tube to see if it would shimmy. Didn't. Phil Brown In NoHo, Ca but about to leave for cool San Francisco.