I wonder how the ride quality is imporved with the larger wheels?
It's a different world, but that is caused by a couple of factors together, not just the wheel size: 20", wide Big Apple tires, an immense rise wheel base (very loooong now), Rohloff hub,
suspended grips etc. play together nicely and the result rides very different from a standard Brompton. Way less nippy or nervous, more a limousine than a sports car, very comfortable. In opposite to a Brompton it likes to go in a straight line (still cornering is not an issue). In general I liked the ride on it but personally I would not go this route - it rides very similar to a
Bernds, the main difference is the folding mechanism and size and shape of the folded package. The "very big edition" Brompton is shorter in folded state but that's about it. As I do own a Bernds along with my Bromptons I'd have no need for the Bromptosaurus - it was a one off, built on special request for a tall rider (and has become a two off in the meantime). Amazing craftsmanship and fascinating, but a very expensive exercise. I was very happy to have the opportunity for a test ride on it.