Click on the following link for product video demo presentation. https://youtu.be/jQUk0oXEglI

Ebike Controller YK31C 48V 500W Brushed Controller e-bike bicycle


1. Voltage: 48V500W               
2. Low Voltage Proctection: 42V
3. Throttle:1-4V                                                                           
4. Dimension: 86*38*65mm.
5. Model: YK31C


Installation information:
1?Power (red rough connect the positive post, black rough connect the negative)
2?Motor (blue rough connect the positive post, yellow rough connect the negative)
3?indicator light (fine black connect the thin and negative red connect the power output)
4?brake light
5?brake (fine black connect the negative, think yellow connect the brake signal)
6?charging port
7?electric lock
8?speed cable (5v thin red connection, thin black connect negative, green connection sign)