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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
Home / Products / Chainwheel & Crank Set / Crank Set For Pedal Assist E-bike
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

What are the key points for choosing Crank Set For Pedal Assist E-bike?

The key points for selecting Crank Set For Pedal Assist E-bike include the following aspects:
compatibility:
The first thing you need to make sure is that the crankset you choose is compatible with your e-bike frame. Different makes and models of e-bikes may have different specifications and requirements, so be sure to choose a crankset that matches them.
Dimensions and length:
Crank length affects leverage and comfort while riding. Shorter cranks are generally suitable for high-intensity riding or where faster response is required, while longer cranks may provide more stable handling and better power transfer.
Material and weight:
The material the crankset is made of has a major impact on strength, durability and weight. Common materials include aluminum alloy, carbon fiber, etc. Aluminum cranks generally have better strength and durability, while carbon fiber is lighter.
Gear ratio:
The gear ratio determines the transmission efficiency of an electric bicycle. Choose the appropriate gear ratio based on your riding needs and habits. For riders who need to climb hills or face changing road conditions, a larger gear ratio may be needed to provide sufficient power.
Durability and Maintenance:
Consider crankset durability and maintenance. Choose products that are well designed and manufactured to reduce the likelihood of breakdowns and repairs. At the same time, understand the maintenance requirements of the crankset so that necessary maintenance can be performed and the service life can be extended.
Brand and price:
Brand and price are also factors to consider when choosing a crankset. Well-known brands usually have better quality assurance and after-sales service, but the price may be relatively high. When choosing, weigh the pros and cons based on your budget and personal needs.
User reviews and word-of-mouth:
Check out other users' reviews and word-of-mouth reviews of this crankset to learn about its performance and experience in actual use. This helps you gain a more complete understanding of a product’s pros and cons, allowing you to make more informed purchasing decisions.
Therefore, when choosing Crank Set For Pedal Assist E-bike, you need to comprehensively consider many aspects such as compatibility, size, material, gear ratio, durability, brand, price, and user reviews to find the one that best suits your riding needs and Budget crankset.