Originally Posted by
mishmasher
....
I am hoping that somebody can help me with identifying the year and other origins of this bicycle. Under the BB reads: M9J 27987. It might have a dash: M-9J 27987...
The serial number indicates that it was contract manufactured for Bridgestone by Merida of Taiwan during October 1989. Normally, something manufactured that late in the calendar year would represent the 1990 model year. If it has vertical rear dropouts and a unicrown fork, then it is the 1990 model