I don't know why you'd want to actually carry it around, but surely nobody is 'comfortable' wandering around with 10kg in one hand?!
To get on trains and buses, or to walk up a flight of stairs, ... Why would you get a folding bike if you have no need to ever carry it?
I don't know why you'd want to actually carry it around, but surely nobody is 'comfortable' wandering around with 10kg in one hand?!