A man in a gray shirt and blue shorts is standing outside of an old fashioned ice cream shop named Sara's Old Fashioned Ice Cream, holding his bike up, with a wood like table, chairs, benches in front of him.
A man is riding his bike
You can’t know that he is riding the bike.
A man riding his bike can't be standing outside of a store holding his bike.
A man does not have to be riding his bike to be holding it up outside.