Originally Posted by 1989Pre

Those bikes were built by SBDU Raleigh Nottingham and were marketed as Dynatech in Britain. The Supercourse Technium in the catalog page(s) you supplied is 6061-T8 with chrome-moly forks and stays, like 90% of Techniums. There were steel (753) Team Techniums in other years built in the U.S., but the lugs were steel, too.
Rahmen=frame
Gabel=fork, by the way.