Even bikes that fold are usually a hassle to tote around. That's why the Hummingbird is trimmed down to a mere 14 pounds.
A folding bike is fantastic, right up until you fold it up and try to lift it. Suddenly, what seemed like an average bike, weight-wise, has morphed into a hefty lump, one that will happily twist your spine the moment you try to schlep it up even one flight of stairs.
