Folding bikes have their handlebars a long ways away from the wheel rim. As I understand it, this is typically too far for many wireless bike computers' ranges. On the other hand wireless is very convenient for a folding bike since there's no wire to fold and unfold, thus risking tangling and/or breaking.
I'm looking to buy an inexpensive bike computer. What have you bought? Are you happy with it? What would you have done differently? Etc.
Edit. Bikeforums munged my posting. I've edited it to make sense again -- hopefully no further munging.