You need to have a bike that it will work on. Bike Friday had to design a completely new back for their bike to use it. You can't for example have a bike with seat atays and chain stays. That will limit your frame choices some. The belts are one piece and can't be cut/broken like a chain can. It looks like it should work on the Dahon you mentioned and if you have the same chain ring to rear sprocket ratio it will not change anything. Good luck with it. Roger