Currie Technologies eZip Tri-Ride Electric Tricycle, 14-Inch Low step-thru frame design makes it easy to get on or off 36V12Ah 432Wh SLA Battery Pack for improved range and motor efficiency With a little twist of the throttle the motor pushes effortlessly; Twist more for higher speed, less for lower speed Real transportation at speeds up to 12 mph and range up to 20- 30 Miles with normal pedaling (rider weight, rider input and terrain contingent) Trike frame design for stability, comfort with great carrying capacity