> I seem to remember DB tubes with crazy-thin > unbutts, 0.35mm maybe?
That's really amazing, especially since I have first hand experience relating to the problems you can encounter with butted tubing that has slightly thicker walls - e.g. Columbus EL in the .7mm-.4mm-.7mm size. (Of course, my experience is as a crash tester of expensive bikes rather than as a frame builder.) Regards, Fred Rednor - Arlington, Virginia
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