Friction drives like the Rubbee provide a lighter, simpler option for transforming a regular bicycle into an e-bike. Velogical's all-new Velospeeder makes the friction drive even lighter. The compact e-drive solution weighs under 4 lb and allows for seamless switching between e-assist and manual riding. The company claims it's the lightest and smallest bicycle e-drive (soon-to-be) available.
Along with 1950s/60s contemporaries like the Isetta, the three-wheeled Messerschmitt KR200 was one of the original microcars. The car continues to have a following half a century later, so much so that a pair of designers have developed a unique tribute. The Veloschmitt is styled like the original bubble car, but relies on a pedelec bicycle platform in place of the two-stroke engine build.