Dahon Boardwalk S1 folding bike
The Dahon Boardwalk S1 is a popular simple, solid, budget folder. While its single-speed may limit your choices of terrain, it is a good bike for short commutes, as a travel bike, or a bike to store on your boat. The steel frame makes it a bit heavier than aluminum bikes but that is one of the reasons why it is lower cost. The bike comes with a rear rack, full fenders and kickstand which does add to the weight but are useful and welcome additions. It also features a rear coaster brake and a front linear-pull brake with aluminum 20" wheels.