Originally Posted by
Spellscape
Any idea what is year of this bike, is it Japan or Canada made?
I know it's saying Canada but maybe it's still Japan made initially
Assuming the Shimano Altus ST derailleurs are OEM, it's no earlier than 1979 and it would be a Sekine RM-30 model. It could extend into the early 1980s. We should be able to narrow that down, based on the serial number and/or derailleur date codes.