Unlimited's Eon | World's 1st Electric Skateboard Powertrain project. Convert any skateboard to an electric in seconds with an ultra-light, bolt-on power-train capable of 22 mph and a range of 15 miles.
These are the motorized electric roller skates that propel a wearer at up to 8 mph. Riders up to 180 lbs. simply strap the skates on over their shoes, held securely in place by dual fasteners similar to those on ski boots.