Enjoy a longer ride time with our innovative, in-wheel hub motor. Lighter and more efficient, the maintenance-free Power Core technology delivers 50% more ride time than the E100 ? up to 60 minutes of continuous use.. At 11 amazing miles per hour, with a twist-grip acceleration control, and a kick-start, high-torque hub-driven motor, the Power Core E100 is a maintenance free, energy efficient way to take your fun even farther.. Power core technology and design features 2x the increased ride time and 50% more power than the original Razor E100. Maintenance free with no alignment, no chain, and no chain tensioner needed. Features a kick start, high-torque hub motor, twist-grip throttle, hand-operated front caliper brake, urethane front wheel, and retractable kickstand.