1. What it's called
10
12
13
14
15
A. General
1. Handlebar
2. Front light
3. Hub motor
4. Valve
5. Chainwheel (torque sensor integrated)
6. Driver
7. Chaincover
8. Saddle
8
9
11
6
5
7
1
2
4
3
9. Seat post
10. Luggage carrier
11. Lock
12. Rear light
13. Mudguard
14. Shopping bag(battery inside)
15. 7/8-speed rear hub/sprocket
4