Structure and composition of electric bicycle (1)

Views:134     Author:Site Editor     Publish Time: 2021-07-10      Origin:Site

Electric bicycles are comprehensive products that integrate various technologies in the fields of power electronics, machinery, control, materials, and new energy.


An electric bicycle is constructed from many parts, so what are its structures?

Fork frame mud plate chain cover: (including frame, front fork, mud plate, mud plate support, chain cover, etc.)

Front parts: (including head bowl, handlebars, stems, grips, brake levers, etc.)

Brake system: (including front brake, rear brake, brake line, etc.)

Transmission system: (including bottom bracket, crank gear, chain, etc.)

Rim set: (including front and rear axles, spokes, rims, tires, inner tubes, lining belts, etc.)

Support: (including saddles, seat tubes, quick releases, pedals, parking racks, shelves, etc.)

Safety system: (including car bell, wheel reversal, taillights, headlights, etc.)

Transmission system: (including the handlebar or direct lever, the transmission line tube, the flywheel, the derailleur, the transmission protection lever, etc.)

Electrical system: (including motors, handles, controllers, sensors, batteries, battery boxes, chargers, etc.)

Packaging materials: (including labels, standard parts, axial caps, manuals, cartons, etc.)

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Let’s explain in detail:

1. Frame (FRAME)

Classified by material: iron (STEEL), aluminum alloy (ALLOY), titanium alloy (TITANIUM ALLOY), carbon fiber (CARBON), etc.;

Classified by function: city bike (LADY/CITY), mountain bike (MOUNTAIN BIKE), racing bike (RACING BIKE), performance bike (PERFORMANCE BIKE), folding bike (FOLDING BIKE), etc.;

Divided by size: 12 14 16 18 20 22 24 26 27 28 inches. Mopeds are generally above 20 inches, and European and American models are generally above 26 inches.


2. Front fork (FORK)

The size is matched with the frame, the material can be divided into iron, aluminum alloy, magnesium alloy, etc., and the function can be divided into ordinary and suspension forks (SUSPENSION FORK).


3. Handlebar (HANDLEBAR)

The material can be divided into stainless steel, iron electroplating, electrophoresis, aluminum alloy, carbon fiber, etc., and the shape can be divided into a word handle, down flap, small swallow handle, big swallow handle, etc.


4. Stem (HANDLEBAR RISERS)

The component connecting the frame head tube and the handlebar, the material and color match the handlebar

5. Grip

The size and color match the handlebars.

6. Electronic switch (THROTTLE)

Accelerated use (not allowed in the European market).

7. Saddle (SADDLE)

According to different car models and paint colors, match them reasonably.


8. Wheel (WHEEL)

    It consists of the following components:

 ⑴Rim (RIM): iron, aluminum alloy, carbon fiber, etc. The structure is divided into single layer, double layer, ordinary ring and knife ring, and the color is also distinguished.

⑵ Spokes (SPOKE): divided into iron (electroplating, electrophoresis), stainless steel, carbon fiber and other materials, divided into several patterns such as ordinary, variable diameter, and different diameter, and the colors are also distinguished.

⑶ Hub: There are two types: normal and quick release. There are several types of speed change: single speed and internal speed change.

⑷Tire (TIRE): Including inner tube, outer tire, lining belt. The outer tire has a difference in thickness and pattern, and there is no stab resistance and reflective light are also considered when designing. The inner tube has a difference between normal and thick.


We will share other information with you in the next article

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