On my Brompton I would prefer V-brakes, a chrome moly frame and fork for lightness and room for more tire choices. I would also like to have the option for threadless stems, a seat post that does not require a plastic insert and a more easily replaceable bushing for the rear triangle hinge. I like the rear suspension and the long wheelbase and I love its capacity to carry quite a bit of weight low on the headtube, not on the forks.