Super Vitus 980 Profil Arcor (“Course Professionel” Serie Extra Legere set)

Long before Vitus began making bonded aluminum frames (Vitus 979), the company had an extensive history of manufacturing quality steel bicycle tubes.

http://www.classicrendezvous.com/France/Vitus_history.htm

Super Vitus 980 was used from the late 1970s until the late 1980s. I was made of the same steel as SV 971 except SV 980 had some of the thinnest wall thickness tubes used in production bikes of that era. This is a rare example Super Vitus 980 “Course Professionel” Serie Extra Legere set”Profil Arcor” an “aero” shaped frameset.

https://www.google.nl/amp/s/restoringvintagebicycles.com/2017/10/20/vitus-steel-tubing/amp/