Voilamart 26" 36V 5OOW Rear Wheel Electric Bicycle E-Bike Motor Conversion Kit
Voilamart says Power: 500W / 36V or 250W / 36V. 36V 500W and 250W super power brushless gearless hub motor. 8 point Crank speed sensor for High Efficient pedal assist. (Only for Thumb Throttle).