Explanation of the picture parts, the kit include lithium battery

1. Brake Handle

2. Headlight switch  

3. Headlight

4. Controller

5. Junction Box

6. Controller Box

7. Power display and Speed handlebar

8. Charger

9. PAS 1:1

10. Power Line

11. 250W Motor

12. Aluminum double-rim

13. Waterproof Connector

14.36V Wheel lithium batteries

• Front wheel motor: 250W 10AH 36V
• Back wheel brake handle
• Headlight switch
• Headlight
• Controller
• Junction Box
• Controller Box
• Power display and speed handlebar
• Easy plug and lithium battery WU XI SANS charger
• PAS (pedal assist system) 1:1
• Power Line
• Aluminium double rim
• Waterproof connector
• Top speed: 25mph(40kmh) - 32mph(51.5)
• Distance before charging: 35km - 40km
• Charging Time: 5 - 8 hours
• Package: carton
• Gross weight: 16.5kg
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Buy the best! Buy GreenVH!

Our kits are complete with all necessary hardware, battery racks, saddlebags, speed controler, charger, twist throttle with batt voltage indicator, brake levers, and easy to follow installation instructions for a quick and easy installation. Our kit has all the built in safety features necessary to be considered a legal e-bike.

 The PAS system uses a sensor and a set of magnets that mount to the crank set and the lower tube. It is part of the PAS system (pedal assist System). When it recognizes that you are pedaling it begins to add power to the motor to assist you. so...even if you are not using the throttle, it helps you pedal. 

So the bike can be riden like a standard bicycle with the key off. 
It can be riden like a scooter with the key on and using the throttle. 
It can bu used in the PAS mode bu turning on the key and pedaling along.