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On folding bikes... I gave up on my low-end Dahon. Too heavy, and still pretty big when folded. Tried Bromptons, but couldn't really justify the price of the high-spec one I wanted. And then I discovered Mezzo. Approx half the price of a decent Brompton, light as a feather, asymmetrically folds to a very small package, and handles like a dream. Also curiously fast. When you fold/unfold a Mezzo, you can see that they did an awful lot of 3D CAD work in the design of this machine. Everyone should have one. See www.mezzobikes.com