Specifications:

Motor:

Output: 500W

Rated speed: 2400-2650 RPM

Rated voltage: 36V DC

Rated current: 18A

No-load current: ≤2.0A

Peak efficiency at 36V: 80 percent

Reversible: (w/ polarity swap)

Sprocket：11 tooth sprocket for #25H chain

Note: This motor is capable of rotation in either the clockwise or counterclockwise direction by reversing the motor's power wires.

Controller:

Rated voltage: 36V DC

Conversion efficency: 95% 

Under Voltage Protection: 31.5±0.5V

Speed regulator (throttle): 1-4 V

Controller Wiring:

This controller has 8 connectors, compatible with many 36V bikes with up to 500W motors

1. Battery / 2. Motor / 3. Brake  / 4. Brake light  / 5. Indicator light / 6. Ignition lock / 7. Charger port / 8. Derailleur (throttle)

These controllers have 4 groups neccessary cables: Battery, Motor, Ignition lock, Derailleur (throttle), when hook up these 4 groups cables, the E-bike can run normally. Besides, this controller have other optional functions, you can hook them up 

according to your applications.