“hybrid” city bike concept
design by pd’sign - peter dudas

I think this design is beautiful and intriguing. See some more photos here. I only find myself wondering two things: how the wheels work (in terms of weight distribution and rotation, and how the back tail, with the back wheel, doesn’t break off. I’m not an engineer, but I don’t see how the main joint (where the two diagonal lower frame bars meet the main crank) could possibly bear all of the weight and torque of the entire bicycle AND still contain all the necessary mechanisms for making the bike actually work. It seems so small that I would worry about it twisting or snapping, especially if it didn’t contain a robust shock absorption mechanism. Overall though, it sure is beautiful.

[note: This is the first real “submission” I’ve gotten that I’m actually interested in posting here. Thanks Peter!]