For the most part, electric bicycles are configured like regular bikes, with the addition of a motor and battery. Because they’re essentially just conventional bikes with extra stuff, they also tend to be pretty heavy. The Revelo LIFEbike, however, is an ebike with a difference. Its wacky design runs the pedal axle through the front wheel hub, thus drastically shortening the aluminum frame and eliminating the chain. As a result, it weighs in at 15 kg (33 lb) – about the weight of a non-electric cruiser bike.
Read the full article: LIFEbike takes a fresh approach to ebike design