Don't know when it was introduced, but I think this was around in the 70's and 80's, they might even still make it for all I know. Never had the image of 531, but some think it was at least as good. Vitus probably could have marketed it and their steel tubes in general more effectively, but by the 80's they were emphasizing aluminum.
Chris Beyer wrote:
> Hey, Y'all:
> Can anyone Out There clue me in as to vintage/quality level of Super
> Vitus 971 tubing?
> Chris Beyer
> Bloomfield, NJ (the rain finally stopped.....)