Setting off at a leisurely pace through the west end, the former governor of California promptly began cycling on the wrong side of the street.
The Terminator star was in the capital to attend a black-tie dinner in his honour at the Edinburgh International Conference Centre.
The Hollywood star is often spotted cycling at home in California.
He shocked London commuters last year when he jumped on a Boris bike to enjoy a sightseeing tour.
Action hero Arnold Schwarzenegger has taken to the streets of Edinburgh for a morning bike ride.