Green Cruiser Hurricane Electric Cruiser Bike - Blue Maximum Speed: 18-20 MPH on Motor Alone! Vehicle Range: Electric Power Only: 25+ Miles on a Single Charge; Moderate Pedaling: 30+ Miles Battery Pack: Proprietary 36V 10AHr LITHIUM Battery Pack with Battery Management System Motor: 250W Brushless, Back Wheel Hub Type, 400 Watt Peak Output Bicycle Components: 26'' Wheel Diameter, High Quality Shimano Components