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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 3x9S Bicycle Trigger Shifter
Home / Products / Trigger Shifter / 3x9S Bicycle Trigger Shifter
3x9S Bicycle Trigger Shifter
SL-KD-30-L3-R9

3x9S Bicycle Trigger Shifter

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Ningbo Tongkin Technology Co., Ltd.
About SunRun

Ningbo Dongjin Technology Co., Ltd is China OEM 3x9S Bicycle Trigger Shifter Supplier and ODM 3x9S Bicycle Trigger Shifter 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 to solve the problem of Bicycle Trigger Shifter when the chain skips teeth or gets stuck?

When the chain skips teeth or gets stuck, the Bicycle Trigger Shifter may need to be adjusted or repaired accordingly. Here are some suggested resolution steps:

Stop riding and inspect: First, stop riding immediately to avoid further damage to the chain and derailleur. Then, observe the specific location where the chain is stuck or skipped teeth to determine the problem.
Adjust the chain tension: If the chain is too loose or too tight, it may cause skipping or jamming problems. This can be solved by appropriately adjusting the chain tension. Specific methods include adjusting the limit screw on the thumb shift transmission, or appropriately shortening or increasing the chain length according to the actual situation.
Cleaning and Lubricating: If there is debris or dirt on the chain and gears, it may also cause binding or skipped teeth. At this point, you can use a clean cloth or brush to clean the chain and gears, and then apply an appropriate amount of bicycle-specific lubricant to reduce friction and jamming.
Check and replace worn parts: Components such as chains, sprockets, and derailleurs can also cause skipping or seizure if they are severely worn. Check these parts regularly for wear and replace them as necessary.
Check the shift cable and tailhook: If the shift cable is bent or broken, and if the tailhook is deformed, it can cause chain problems. Therefore, the condition of these components also needs to be checked and replaced if necessary.
Adjust the derailleur: Sometimes, chain skipping or sticking problems can also be solved by fine-tuning the position and angle of the derailleur. This is accomplished by adjusting the trimmer screw on the transmission.
If none of the above methods solve the problem, it is recommended to seek help from a professional bicycle repairman. They can perform a more in-depth inspection and repair of your bike and shifter, ensuring your ride is safe and smooth.

In addition, in order to avoid similar problems from happening again, it is recommended to perform regular bicycle maintenance and upkeep, including cleaning the chain, lubricating the gears, checking and replacing worn parts, etc. This ensures that the bicycle and shifter are in good condition, improving riding comfort and safety.