In a message dated 4/26/03 10:25:04 PM Pacific Daylight Time, Dsyman@aol.com writes:
> I've learned that the tubing used in my 1960 Ives bicycle that I recently
> enquired about is Mannesmann Extra. Can anyone out there tell me about this
>
> tubing--composition, quality etc.?
>
It has a reputation for being GREAT stuff, closer in grain structure to Vitus
(meaning a very fine grain) and more like CrMo than 531.
Stevan Thomas
Alameda, CA