Originally Posted by
pibach
Geometry of the Dahon bikes is already quite upright (much too upright for me anyway). The single piece posts have the advantage to be stiffer. You can easily change out the handlebar for some comfort bar you like, e.g., something like this:

To clarify - The single-piece handlepost/handle bar to which I was referring has the handlebar welded to the handlepost. Many (but not all) Dahon Boardwalk models have this design. (picture copied from
www.gaerlan.com)