Brompton runkotakuuksi five years and the other parts of the 2-year warranty . If any part is broken before the expiration of the warranty period, to replace a broken part of the Brompton, without charge.
The Brompton is for use in you and well-maintained trails. It is not designed to be driven off-road, which might cause excessive stress frame. Furthermore, the tires and wheels are not designed for off-road driving.