Originally Posted by
badger_biker
I have a Shogun Alpine GT with Shimano barcons (rear index 6spd) so I'm thinking about 1987 vintage. S/N is M81 24230. Does anyone know if it was likely a Japanese built frame or Taiwan? There are no stickers on it regarding the origin.
The serial number format could be reverse engineered several ways. Offhand, I don't recognize it, if the space after M81 is correct. Please provide photographs.