More to explore:
Dutch Bicycle Design.
Dutch design: a fresh look at the bicycle
modern bike frame
Cannondale Dutchess - Concept bike
The Cannondale Dutchess is the graduation project of Wytze van Mansum in assignment of bicycle manufacturer Cannondale. Van Mansum is a former student of the Delft University of Technology TU Delft and currently working as a freelance Product Designer.
Cannondale on Flickr.
mid 1990s Cannondale Pong concept bike
Cannondale CERV Bike on inspirationist (2)... and another one!
Mid nineties concept bike Cannondale
Concept bike from Cannondale and Priority Designs: CERV. How it mutates as you ride it.
Concept Porsche bicycle by Kristian Terziev, via Behance
Ford E-Bike Concept. I'd buy it, but I'm not sure it would be good for commuting to the airport.
The Coren – The Urban Carbon Bike (1)