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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 Crank Set For Pedal Assist E-bike
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Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Dongjin Technology Co., Ltd is China OEM Crank Set For Pedal Assist E-bike Supplier and ODM Crank Set For Pedal Assist E-bike 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 Crank Set For Pedal Assist E-bike provide a comfortable and efficient riding experience?

In the field of electric bicycles, the design and application of Crank Set For Pedal Assist E-bike undoubtedly brings a more comfortable and efficient riding experience to cyclists. This innovative design not only combines the mechanical transmission system of a traditional bicycle, but also incorporates advanced electric assist technology, making riding easier and improving riding efficiency.
First of all, from the perspective of comfort, Crank Set For Pedal Assist E-bike can sense the rider's pedaling force and frequency in real time through precise sensors and control systems. When the rider needs more assistance, the system will automatically adjust the output of the electric assist, thereby reducing the physical burden on the rider. This intelligent power-assist adjustment enables cyclists to maintain a stable riding rhythm and reduce fatigue when riding long distances or facing difficult road conditions such as climbing hills.
In addition, the intervention of the electric power assist system also makes the riding smoother. During riding, electric power assist can quickly respond to the rider's needs and provide timely and smooth power output. This not only avoids the frustration that may occur when starting or accelerating with traditional bicycles, but also reduces the rider's bumpy feeling during driving, further improving riding comfort.
From the perspective of efficiency, Crank Set For Pedal Assist E-bike achieves efficient use of energy by optimizing the matching of the transmission system and the electric power assist system. During riding, the electric power assist system can automatically adjust the size and output mode of power assistance according to the rider's needs and changes in road conditions, thereby ensuring that the rider can achieve higher riding efficiency while maintaining a comfortable riding experience. .
In addition, the electric power assist system can also intelligently learn and adjust based on the rider's riding habits and road condition information. By continuously optimizing the assist strategy, the system can gradually adapt to the needs of the rider and provide a more personalized riding experience.
Therefore, the Crank Set For Pedal Assist E-bike provides riders with a comfortable and efficient riding experience through its unique design and intelligent electric assist system. Whether it is daily commuting or leisure riding, it can become a powerful assistant for cyclists, making riding more relaxed and enjoyable.