N+1, .. is always less of a space penalty , if it also folds ..

the Oregon company has other options in its BTO offerings .. you can get all sorts of parts in the menu ..
3 size frame tubes..

Rohloff 14, or Alfine 11 speed hub and Gates belt drive , A variety of handle bar types , etc.

the seat folds forward , rather than telescopes , so the saddle Height remains un changed ..

+ then .. their folded bike does roll on the front wheel .. there is even a handle within the rear section to grip and steer it.