Originally Posted by arctangent

I am pretty sure this is not a bike speedometer. It's either a motorcycle or a moped one. I grew up in the Soviet Union in the 80s and most bikes back then were heavy single speeds with coastal brakes. They would never approach 60 km/h There were some road bikes around, but those were highly prized and I am sure if anyone managed to get one - they wouldn't put this monstrosity on it.