The Defiant Folding Electric Fat Tire Bike features high-end materials and attention to detail for appearance, reliability, and comfort. It is powered by a 48-volt system with a 1130 watt (peak) / 750 watt (sustained) motor, delivering instant torque for various terrains. Its 4" fat tires are designed to easily roll over any terrain, offering an impressive 40+ mile range. It is seriously portable and handles all conditions beautifully.