Electric Brushless DC Motor Advantages: Because there are no brushes, brushless motors are generally quieter, smoother, longer service life, and lower maintenance costs than brushed motors. High Speed Mid Drive Motor: Voltage 72 Volt DC, Power 3000 Watt, Rate Current 50A, Rate Speed 4900 rpm/min, Max Torque 5.4N.m. BLDC Controller: Voltage: 72V, Power: 3000W, Current: 50A, 24 Mosfet, Phase Degree: 120??. Low-level brake, 3 Speed, Reverse, Brake Light, Indicator Light, Battery Charge and Ignition Lock 3 Speed Throttle, 12-72V universal, With 3 Speed ( High 100%, Mid 75% and Low Speed 50% ) And Reverse Function, Wire Length About 150cm Package Include: 72V 3000W Motor*1pc, BLDC controller 50A*1pc, 3 speed handlebar throttle*1 pair, foot throttle*1pc, Ignition Lock*1pc, T8F Sproket*1pc, T8F Chain*1pc, Manual*1pc (Note: without battery). Product Description Product Description Motor: 72V 3000W Electric Brushless DC Motor Rate Current: 50A Rate Speed: 4900rpm/min Magnet Poles: 3 pairs, 6pcs