sales@zwgearbox.com |
Shenzhen ZHAOWEI Machinery & Electronics Co., Ltd

E-Bike Electronic Suspension Drive System

With the rapid growth of the ebike market, riders are demanding a better riding experience than ever before. Traditional mechanical suspension systems can no longer meet the increasing expectations for comfort and intelligence. Against this backdrop, electronic suspension technology has emerged, offering multi-level intelligent adjustment and delivering an unprecedented level of comfort for cyclists.

E-Bike Electronic Suspension Drive System

The working principle of an electronic suspension is based on a closed-loop control system: sensors mounted on various parts of the bike frame—such as accelerometers and travel sensors—continuously monitor road vibrations and vehicle dynamics. This data is transmitted to the Electronic Control Unit (ECU), which processes the information using preset algorithms and sends out commands. The micro gearbox receives these commands and precisely adjusts the damper valve opening, thereby changing the flow characteristics of the hydraulic fluid and achieving stepless damping adjustment. The entire process happens instantly, with virtually no perceptible delay for the rider.

In an electronic suspension system, the gearbox acts as the “muscle,” converting the ECU’s electronic signals into precise mechanical movements—making it the key actuator that enables intelligent adjustment. While traditional suspension tuning requires manual rotation of adjustment knobs, electronic suspension systems perform this automatically through micro gearboxes, with technical complexity and precision requirements increasing exponentially. This transformation elevates the suspension from a static mechanical device to a dynamic intelligent system.

Planetary gear structures, known for their compact design and high transmission efficiency, have become the mainstream choice for electronic suspension gearboxes. With over 20 years of expertise in precision transmission, ZHAOWEI provides micro planetary gearbox solutions for electronic suspension systems with the following core advantages:

  • Compact and lightweight: Available in diameters from 3.4 mm to 42 mm, meeting the compact space and lightweight requirements of e-bikes.

  • Low-noise operation: Optimized design and manufacturing processes keep operating noise below 45 dB, ensuring a quiet riding experience.

  • High transmission efficiency: Precision gear grinding technology enables transmission efficiency of up to 98%.

  • Long service life: Rigorous quality control and durability testing reduce maintenance costs and ensure reliable, long-term performance of electronic suspension systems.


ZHAOWEI gearboxes are already widely used in automotive electronics, smart home devices, and other sectors. We will continue to deliver high-precision, high-reliability core transmission solutions for e-bike electronic suspension systems.

Related Products

Tell Us About Your Application Requirements

ZHAOWEI team welcomes your arrival,By understanding your needs in advance, we will prepare corresponding solutions to facilitate on-site coordination and quickly address your concerns. We look forward to communicating and collaborating with you!

Customer Service

ZHAOWEI’s micro drive systems apply in diverse areas all around the world to deliver the power, precision, and efficiency to motion solutions. Our sales and engineering support teams are ready to assist you with any questions, including quotation, application support, and product configuration. Please submit your requirements through our Custom Service Form to ensure a faster response.

This website uses cookies

This website uses anonymous performance cookies to ensure you get the best experience on our website. We never use targeting or advertising cookies. Find out more: Cookies Policy