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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 MTB Bike Single Chainwheel & Crank Set
Home / Products / Chainwheel & Crank Set / MTB Bike Single Chainwheel & Crank Set
MTB Bike Single Chainwheel & Crank Set
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MTB Bike Single Chainwheel & Crank Set

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Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Dongjin Technology Co., Ltd is China OEM MTB Bike Single Chainwheel & Crank Set Supplier and ODM MTB Bike Single Chainwheel & Crank 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

What are the differences in rigidity between different materials of MTB Bike Single Chainwheel & Crank Set?

The different materials of the MTB Bike Single Chainwheel & Crank Set do have significant differences in rigidity. Rigidity refers to the ability of a component to maintain its original shape when subjected to external forces. For bicycles, a chainwheel and crank set with good rigidity can more effectively transmit the rider's power to the rear wheel, reduce energy loss, and thereby improve riding efficiency. .
The following are the differences in rigidity between different materials:
Carbon Fiber: Carbon fiber has excellent rigidity and can provide very efficient energy transfer. It can provide sufficient support and stability while maintaining lightweight, allowing the rider to feel a more direct and sensitive response during riding.
Aluminum: Aluminum alloy is also a relatively rigid material and is widely used in the manufacture of bicycle parts. It can provide sufficient strength and rigidity while maintaining lightweight, ensuring that the Chainwheel and Crank Set can effectively transmit force.
Steel: Steel Chainwheels and Crank Sets usually have very high rigidity and can withstand large forces without being easily deformed. However, steel components are typically heavier than carbon fiber and aluminum components, which can affect the bike's overall weight and riding experience.
Titanium: Titanium alloy has extremely high rigidity and strength, but the cost is also relatively high. The titanium Chainwheel and Crank Set provide excellent support and stability while remaining lightweight.
When choosing an MTB Bike Single Chainwheel & Crank Set, riders need to weigh the stiffness and other performance features of different materials based on their needs and budget. If high stiffness and excellent energy transfer efficiency are required, carbon fiber and aluminum alloys may be good choices, while if greater strength and durability are required, steel or titanium alloys may be more suitable. At the same time, the manufacturing process and quality control of the components also need to be considered to ensure that the selected components have excellent performance and reliability.