seeing its application on many bicycle prototypes over the years, hubless and spokeless bike wheels are characterized by the lack of a center hub and a hollow axle usually part of the anatomy of a conventional cycle.
Design firm Waarmakers have designed an electric scooter made out of plants for Van. The frameless body is “…made from natural fiber-reinforced composites or NFC’s instead of the usual plastic and metal.” Check out more (…) Read
the Viktor bike by Schindelhauer :: fixed-gear bike with Carbon Drive belt system (light and simple construction, low maintenance. Not for San Francisco but mostly just fine as a city bike :) - me want a fixie :D