Originally Posted by
Astrodokk
I just pulled my Nishiki Ariel out of the barn and noted the serial number as GZ798727.
Hi Astrodokk,
decoding the serial number. In this case, the "G" at the start is for Giant, who manufactured the frame. The first digit "7" is for the year 1987, the year the frame was made.
The decals in the picture are for a 1988 model.