Originally Posted by
wide45
Master TG shortly after I got it a few years ago. Serial # says '89 but may have been an early '90 model. Recently acquired an Expert TG, but no pictures yet. Serial # on that one says '90. Frame is the same with black smoke instead of grey.
Nice Master TG, The Serial number may give a 89 build date for the 1990 Model Year.
The Diamond back road bikes were started in 1990 after the parent company WSI, Discontinued the Centurion Brand in 1989.
Post the Expert when you get a chance please!