[QUOTE=SoCaled;23577564}

edit: my steerer tube says Tange 5.I. assuming that is Tange #5? was there a Tange #1 version[/QUOTE]

Sure was. It was a very light tubing comparable to Columbus EL. The Tange 2 tubing was similar to SL. For an example, the Centurion Ironman bikes were made with Tange 1.