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Founded in 1991, Ningbo Sunrun Bicycle Co., ltd & Its branch company Ningbo Tongkin Technology Co., Ltd.

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OEM/ODM 1x8S Pedal Assist Group Set
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1x8S Pedal Assist Group Set

1x8S Pedal Assist Group Set

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Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Dongjin Technology Co., Ltd is China OEM 1x8S Pedal Assist Group Set Supplier and ODM 1x8S Pedal Assist Group Set company was founded in 1991, specializing in the production of bicycle transmission systems, braking systems and other components. The leading products include a series of derailleurs, variable speed flywheels, high-end cassette hubs, disc brakes, brake components, cranksets and more than 300 varieties in six categories.

In 2015, in response to Made in China 2025, the company established Ningbo Dongjin Technology Co., Ltd. to develop a new internal and external variable speed transmission system, entering the first echelon of the domestic industry. "Chicheng wheel industry, quality first" is the pursuit of quality by Richeng people. The company has introduced internationally advanced key technologies such as precision cold forging, CNC machining, heat treatment, and multi-station stamping to develop transmissions with Richeng characteristics. , transmission kit, sales volume leads domestic peers. The registered brands SUNRUN, TONGKEEN and HEMU enjoy high reputation in domestic and foreign markets. The company has independent export rights, and its products are exported to Europe, North America, Central and South America, Africa, Southeast Asia and other countries and regions. Xu Mingqiang, chairman of the company, sincerely invites domestic and foreign merchants to come for negotiation and guidance.

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Industry Knowledge Extension

How does the Pedal Assist Group Set respond quickly in emergencies to improve riding safety?

In an emergency, the Pedal Assist Group Set responds quickly through its intelligent design and functionality to improve riding safety. Here are some of the main actions it might take:
Emergency braking system: Some advanced Pedal Assist Group Sets are equipped with an emergency braking system. When a cyclist encounters an unexpected situation and needs to stop quickly, the system can respond quickly and quickly decelerate or stop through electric or mechanical means to avoid potential accidents.
Stability control: In emergency situations, such as sudden lane changes or encountering road obstacles, the Pedal Assist Group Set may provide additional assistance by adjusting the transmission system and motor output to help the rider stabilize the body and prevent sideslip or loss of control.
Sensors and warning systems: Modern Pedal Assist Group Sets are usually equipped with a variety of sensors for real-time monitoring of the riding environment and vehicle status. When the sensor detects a potential danger, such as an obstacle ahead or a vehicle suddenly changing lanes, the system can issue an early warning to the rider through sound, vibration or visual prompts, giving the rider enough time to react.
Automatically adjust the assist mode: In some cases, the rider may be unable to adjust the assist mode in time due to nervousness or lack of reaction. At this time, the Pedal Assist Group Set may automatically adjust the assistance intensity based on sensor data and algorithms to adapt to the current riding environment and the needs of the rider.
It should be noted that although the Pedal Assist Group Set can provide certain assistance in emergency situations, the rider's safety awareness, skills and judgment are still the key to ensuring riding safety. Therefore, when using the Pedal Assist Group Set, cyclists still need to remain alert, obey traffic rules, and be proficient in its operation methods and functions.
Additionally, different Pedal Assist Group Set brands and models may differ in emergency response. Therefore, when selecting and using a product, it is recommended that cyclists read the instructions carefully to understand its specific functions and operation methods, and make selections and adjustments according to personal needs and environmental conditions.