Structure and composition of electric bicycle (2)

Views:100     Author:Site Editor     Publish Time: 2021-07-17      Origin:Site

Following the new arrival electric bicycle recommended to you last time,We continue to talk about each part in detail

 

9, the chain (CHAINS)

According to different variable speed flywheels, there are different specifications, and the surface treatment and color are also very different.

10. Chain Cover

The material is divided into iron, stainless steel and plastic, and the style is divided into full chain cover, half chain cover and P-type chain cover.

 

11. Bottom bracket (BOTTOM BRACKET, also called BB parts)

It is divided into one-piece type and sub-assembly type. The length of the bottom bracket depends on the specification of the joint in the frame.

 

12. FENDER

It is divided into iron, stainless steel, aluminum alloy and plastic clay board.

 

13, Pedals (PEDALS)

There are several types of ordinary, folding and racing special. According to different models, different styles and colors of pedals can be selected.

14. BRAKE

⑴Disc brake (DISC BRAKE): generally used in racing and mountain bikes, high-grade;

⑵V-BRAKE (V-BRAKE)

⑶HOLDING BRAKE

⑷CALIPER BRAKE

(5) ROLLER BRAKE

 

15.FREE WHEELS

There are single-speed and multi-speed flywheels.

16,bike bell (BELL)

17, bike lock (LOCKS)

18. bike lights (LAMPS)

19. DYNAMO LAMPS

20, BREAK CRANK

22, QUICK RELEASE

23. CHAINWHEEL CRANKS

Split body, split body, aluminum alloy, stainless steel and iron, single-piece, multi-piece

24. Transmission (Derailleur)

SHIMANO internal and external transmissions are mostly used, mainly including internal 3, internal 8, external 6, external 7, external 8, and external 9.

25, shelf (LUGGAGE CARRIERS)

26, support (STANDS)

27, display (DISPLAY)

It is divided into LED and LCD display, which can display power, speed, mileage, gear position, light switch, etc.

28, battery (BATTERY)

Can be divided into: lead-acid, nickel-metal hydride, nickel-cadmium, lithium, zinc air and other batteries,Among them, there are three mainstream lithium batteries for electric vehicles: iron lithium, manganese lithium and ternary lithium. Manganese lithium: low price, good low temperature performance, good safety performance, but poor high temperature performance, poor life (300-400 times) and poor rate discharge; Ternary lithium: high capacity, small size, good life (600-700 times), The rate discharge is good, but the price is high, the safety performance is poor, and it is still in the groping stage; iron-lithium: medium capacity, long life (about 1500 times), good high temperature performance, good rate discharge, but the price, low temperature performance is poor, and it is mostly used in electric In the bike.

 battery

29, Motor (MOTOR)

Generally, electric vehicles use 24V or 36V/48V motors, which are divided into three types: front, rear and middle. At present, electric vehicles use permanent magnet DC motors, which can be divided into brush motors and brushless motors according to the form of energization; according to the mechanical structure, they can be divided into toothed and non-toothed motors.

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30, PEDAL ASSISTANCE SENSOR

Generally divided into two types: speed sensor (SPEED SENSOR) and torque sensor (TORQUE SENSOR).

ebike parts

31, the controller (CONTROLLER)

    Belongs to the brain center of electric vehicles, collecting information and issuing instructions.

ebike controller

32, label (MARK/DECAL)

Beautiful, concise and ingenious labels can play the role of icing on the cake

 

These are the introductions about the composition of electric bicycles, hope it will be helpful to you.


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