1980's Focus R-600

Frame:
Focus R-600, Tange 2

Fork/Headset:
Focus Tange 2/Shimano 600

Crankset/Bottom Bracket:
Shimano 600

Pedals:
MKS Sylvan Lite

Drivetrain/Cog/Chainring/Chain:
Shimano 600/13-15-17-19-21-23/52t-42t/UG

Derailleurs/Shifters:
Shimano 600

Handlebars/Stem:
Nitto Olympiade, Nitto Technomic

Saddle/Seatpost:
Kashimax/Sugino

Brakes:
Shimano 600

Front Wheel/Hub/Tire:
Araya/Shimano 600/Panaracer RibMo

Rear Wheel/Hub/Tire:
Araya/Shimano 600/Panaracer RibMo

More Info:
I really haven't been able to find much out about this company, other than it isn't the modern Focus. Made in Japan, mid to late 80's. If anyone knows anything about which company manufactured this brand or which factory it came from, it would be super cool to know. Ride safely.