Ebike Fat Tire Kit Conversion 20 "26" 4.0 Motor Wheel Drop 170mm. Powerful electric bicycle 52V 1200W rear drive motor hub. This is a complete 52V1200W electric bicycle modification kit, including: wheel hub, battery, LCD display instrument, brushless motor controller, brake lever, accelerator, sensor, headlight, taillight, charger, all components have been debugged and work well. Please pay attention to keep confirming the product parameters with the customer service staff.