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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 Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1
Home / Products / Chainwheel & Crank Set / Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1
Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1
SCUD-7012-G1

Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1

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Describe
The Sunrun Hollow Shaft Crankset is designed with lightweight materials and a hollow structure to better resist lateral forces, improve rigidity and stability, and make the ride smoother. With high strength and durability, they can withstand large impacts and loads and are not easily deformed or damaged. It can be fine-tuned to adapt to different riding needs by adjusting the centre distance of the front and rear axles and knobs, which improves riding comfort and handling.
Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Dongjin Technology Co., Ltd is China OEM Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1 Supplier and ODM Single Chainring Alloy Hollow Tech Crank Set SCUD-7012-G1 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 effective is the shifting effect of the Single Chainring Alloy Hollow Tech Crank Set?

The shifting effect of the Single Chainring Alloy Hollow Tech Crank Set mainly depends on several key factors: the number of teeth of the sprocket, the design of the rear flywheel, and the matching of the chain and gears.
Sprocket tooth number selection: Single Chainring means there is only one sprocket, so its shifting range is limited by the design of the rear flywheel. The number of teeth in a sprocket is usually chosen based on the rider's needs and the type of bike. For example, a mountain biker who needs to climb steep hills may choose a sprocket with a higher number of teeth to provide more torque. For road bike riders riding on flat surfaces, a sprocket with fewer teeth may be chosen to optimize speed and efficiency.
Rear flywheel design: The rear flywheel usually has multiple gears, providing different gear ratios. The wider the range of teeth in these gears, the wider the crankset's shifting range. Therefore, the design of the rear flywheel has a direct impact on the shifting effect of the Single Chainring Alloy Hollow Tech Crank Set.
Matching degree of chain and gear: The matching degree between chain and gear will also affect the transmission effect. If there is poor engagement between the chain and the gears, it may cause sluggish shifting or skipped teeth. Therefore, choosing a high-quality chain and keeping the gears clean and lubricated are crucial to ensuring good shifting.
In actual use, the Single Chainring Alloy Hollow Tech Crank Set generally provides a clear and smooth shifting experience, especially when paired with a high-quality rear cassette and chain. Riders can change the gear ratio by simply adjusting the gears on the rear flywheel to suit different road conditions and riding needs.
It should be noted that although the Single Chainring design simplifies the shifting system, it may not provide as wide a shifting range as a multi-chainring system. Therefore, when choosing this crankset, you need to weigh it against your riding needs and preferences. At the same time, correct installation and adjustment are also key factors to ensure good shifting effects.