48-72V 2000W Electric Bicycle Brushless Speed Motor Controller Replacement for: for Electric Bike Features: - This electric wheel speed controller reduces the impact of inrush current when suddenly starting and stopping, extends the life of motor and gear, and ensures safety to a greater extent - According to the market demand, the product can do hall free zero start, brushless dual-mode intelligent measurement of battery voltage and motor phase - More waterproof and durable Service: If there is any problem with this controller, please feel free to contact us Package Includes: 1x Brushless motor speed controller