Originally Posted by no1mad

Worksman has what you're looking for. http://worksmancycles.com/shopsite_s...ml/page47.html

If that set up doesn't work for you, compromise on the fold (especially seeing as how any e-bike will be too heavy for anyone concerned with or suffering from back/spinal issues to lift on a frequent basis), find the tricycle of your dreams and start researching conversion kits.