Electric bicycles are a lot like regular bikes, but the trade-off for getting an electrical assist is usually a heavier and more expensive ride. The Rubbee on Kickstarter is a clever take on the concept of electric bike conversion kits. Everything is in one compact package that attaches to a bike's seat post.
A friction wheel sits on the back tire while a built-in electric motor turns it, giving you up to a 15-mile range. The device weighs 14 pounds and can be attached and removed quickly. A handle lets you carry it around and stash it inside, out of sight.… Read more