Electric bicycle hub motor, as one of the core components of electric bicycles, its performance directly affects the overall performance of electric vehicles. The wheel motor is not 

only related to the power output and endurance of the vehicle, but also affects the comfort and safety of the riding. In this paper, the working principle, type, advantages and 

purchase points of wheel motor will be elaborated.

1. How it works

Hub motor, as the name suggests, is to integrate the motor directly into the hub of the wheel. It generates power through the electromagnetic interaction between the magnet 

and the coil inside, pushing the wheel to turn. This design eliminates the need for a traditional chain or belt drive system, making the electric bicycle structure more concise and 

less expensive to maintain.

2. Type

Hub motors are mainly divided into two types: brush motors and brushless motors.

Brush motor: Early electric bicycles mostly used brush motors, which have carbon brushes inside the motor for conducting electricity. However, carbon brushes wear out and need 

to be replaced regularly and maintained more frequently.

Brushless motor: Modern electric bicycles generally use brushless motor, which replaces the mechanical commutator in the brush motor through the electronic commutator, reducing 

wear and improving efficiency and life.

3. Advantages

High efficiency: the hub motor drives the wheel directly, the energy conversion efficiency is high, and the energy loss is reduced.

Low noise: Compared to the traditional drivetrain, the wheel motor runs almost silently, providing a quieter riding experience.

Easy installation and maintenance: Due to the simple structure, installation and daily maintenance are relatively easy, reducing the cost of use.

Versatility: In addition to providing power, some high-end hub motors also integrate braking functions to improve driving safety.

4. Shopping essentials

Power selection: Choose the right motor power according to your riding needs. Higher power means more power, but it also consumes more electricity.

Brand reputation: Choose a well-known brand of wheel motor, quality and after-sales service is more guaranteed.

Waterproof rating: Considering the various weather conditions that electric bicycles may encounter, it is very important to choose a wheel motor with a higher waterproof rating.

Weight and size: The lightweight design improves riding flexibility and comfort, while also ensuring compatibility between the hub motor and the frame.

In short, the wheel motor is a major innovation in electric bicycle technology, which not only improves the performance of electric vehicles, but also simplifies the structure of the 

vehicle, bringing users a more convenient and comfortable riding experience. In the purchase, should consider their own needs and product characteristics, in order to choose the 

most suitable for their own electric bicycle wheel motor.