How to choose for ebikes, bruehless motor or brush motor?

In recent years, e bicycles have become increasingly popular, among which brushless motors have become the first choice due to their high efficiency, low noise and low maintenance cost. However, there is controversy among enthusiasts as to whether brushless electric bicycle motors are better than brushed electric bicycle motors. In this article, we will compare the differences between brushless and brushed motors in mountain electric bicycles.

1. Ebike Motor Efficiency

One of the main advantages of brushless motors is their high efficiency. They have a higher power-to-weight ratio and a lower rotational inertia than brush motors, which makes them more suitable for high-speed driving. Additionally, brushless motors have a lower thermal resistance and require less maintenance than brush motors, which makes them more practical for long-term use.

2. Ebike Motor Maintenance

Maintenance is another advantage of motors without brush. Since brushless bicycle motors do not have brushes, they require less maintenance and have a longer service life. Additionally, brushless bicycle electric motors have no brushes, which means that they do not require brush replacement or cleaning. This makes them more practical for long-term use.

3. Ebike Motor Noise

E bike brushless motors have a lower noise level than e bike with brush motors. This is because they have no brushes, which means that there is no spark noise associated with them. Additionally, brushless motors have a lower rotational inertia, which makes them less noisy during high-speed driving.

4. Ebike Motor Cost

On the other hand, brushless motor e-bikes are more expensive than brushed motor e-bikes. This is because they require more components, such as magnets, stators, and windings, which makes their production more complicated. In addition, brushless motor e-bikes require more components, which means they require more labor to assemble.

5. Ebike Motor Torque

The brushless ebike motors also have a higher torque-to-weight ratio than brush motors. This makes them more suitable for low-speed driving, such as city driving, where high torque is required. Additionally, brushless electric bike motors have a higher power-to-weight ratio, which means that they can generate more power for a given weight.

6. Ebike Motor Alignment

Ebike alignment is another disadvantage of a brushless electric mountian bike motors. Since they have more components, they require more precise alignment, which makes them more complex to assemble. Additionally, brushless e cycle motors require a more complex magnetic system to ensure that the motor rotates in the desired direction.

7. Ebike Motor Rotational Inertia

One brushless motors also have a lower rotational inertia than brush motors. This makes them more suitable for high-speed driving, where low inertia is required. Additionally motors brushless have a lower rotational inertia, which means that they can generate more power for a given weight.

Conclusion

In conclusion, the brushless ebike specialized motors have several advantages over brush bike motors in bicycle electric vehicles, such as efficiency, maintenance, noise, cost, torque-to-weight ratio, alignment, and rotational inertia. However, brush motors are still widely used in electric bicycles because of their low cost and ease of maintenance. Therefore, the choice of brushless bicycle motors or brush motors depends on the specific requirements of the application. In general, if high efficiency, low noise, and long service life are important factors, brushless motors in electric bicycles are the better choice.

A recommendation of ebikes with a brushless DC motor?

RANDRIDE Hurricane coule be your class choice.

Equipped with a 750W and 100Nm of torque brushless geared hub motor，up to 31 mph (50 kmph) speed can help you conquer the rugged terrains and traverse steep hills easily.（All RANDRIDE e bikes can set different speed limits. Lower speeds can be adjusted to comply with your local e bike riding policy.）