Concept Bikes & Bike Innovation - for better or worse

Loopy suspension wheel idea. Video reveals some lack of stiffness.

http://www.gizmag.com/loopwheels-suspension-bicycle-wheels/27129/?utm_source=Gizmag+Subscribers&utm_campaign=10c8ffffec-UA-2235360-4&utm_medium=email

with a mountain bike, it’s not such a big deal to design it with front and rear suspension. When the bicycle in question is a diminutive folding city bike, however, it gets a bit trickier

Not so tricky that Alex Moulton didn't solve it half a century ago.