Based on the fork's date code, the subject frame should be a 1985 model, manufactured in Japan. These utilized unspecified (but probably Tange #5
) plain gauge CrMo main tubes mated with hi-tensile forks and stays. It would originally have been outfitted with Shimano Light Action rear and Z-series front derailleurs, an ST SAC aluminum crankset, Dia-Compe 500N sidepull brakes and Suzue hubs laced to 27" Araya aluminum rims. It was 3rd from the bottom of the line but utilized the same frame as the 2nd from the bottom of the line model. Spec weight was 26 lbs.
So, it should probably be built up with 27" wheels. To go 700C you may require long reach brake calipers. It will probably require a 26.8mm seat post. The headset and bottom bracket will be English/ISO standard. Rear dropout spacing should be 120mm, as it was originally spec'd as 6 speed.
Edit: The frame colour is Vivid Blue.
Last edited by T-Mar; 06-20-16 at 11:50 PM.