10 Common Problems and Solutions for Long-Distance Mountain Electric Bicycle Riding

Electric mountain bikes (e-MTBs) are an increasingly popular means of transportation, but they often come with problems. Here are ten common problems and how to fix them.

Problem 1: Battery life is poor

Solution:

Before riding:

Check that the battery is fully charged and avoid frequent deep discharge. Use a suitable charger and replace the battery when necessary. If you often encounter insufficient battery life, you may need to check the battery health or consider upgrading to a larger capacity battery.

During riding:

If the battery suddenly runs out of power, you can turn off the motor and battery and ride with pure human power, just like riding a bicycle.

Problem 2: Electric power assist system failure

Before riding:

Before riding, you need to check whether there is any problem with the cable connection, whether the wiring connection port is loose, and whether the cable is in good condition.

During riding:

If the electric power steering system suddenly fails, first check whether the cables and controllers are problematic, loose or damaged. After checking to make sure everything is normal, if it still does not work properly, it is recommended that you contact a professional maintenance personnel for inspection and repair.

Problem 3: Braking system problems

Before riding:

Check whether the brake fluid is sufficient, and regularly check the wear of the brakes and whether the brake lines are damaged.

During riding:

You should stop the car immediately and check whether there is any foreign object on the brake disc, or if it is obviously worn, or if there is any foreign object in the brake disc. If there is still no problem after checking, you can seek help from a professional.

 

Problem 4: Wheel or tire problems

Before riding:

Check whether the tire pressure is normal. Maintaining proper tire pressure can avoid tire blowouts and discomfort during riding. Check the wheel rim regularly for deformation and correct or replace it if necessary.

During riding:

Tires often collide, which may cause the spokes to break or wear and deform. If the spoke deformation is not serious, you can adjust it with a wrench. If you find a problem while riding, stop riding and continue riding after checking.

 

Problem 5: The chain is tripped or worn

Chain jump:

Chain jump may be related to chain wear, improper gear shifting and cassette mismatch. You can use professional detection tools to detect whether the chain exceeds the normal extension range. If it exceeds the extension range, it needs to be replaced. You can also check whether the gear system is adjusted correctly, check whether the front and rear derailleurs are aligned, and make sure that the chain can be placed on the gears.

Chain wear:

You can use professional measuring tools to measure. When the chain stretches to 1% of its original length, the chain needs to be replaced. Chain wear will indirectly cause wear on the flywheel and sprocket.

 

Problem 6: The electric power assist system cannot be turned on

 

Solution

Make sure the battery is fully charged and is supplying power normally. Check whether the switch or control panel of the electric power system is working properly, and whether the ebike mode is turned on normally. If necessary, restore the system to default settings. Some ebikes will have a fault protection device. If there is a problem with the electric power system, it will automatically lock and cannot be turned on. If the problem persists, contact after-sales service.

 

Problem 7: Frame or fork problems:

 

Frame cracks/damage:

Long-term use, collision or material fatigue may cause frame cracks or damage. If this happens, the frame needs to be replaced, and there is a risk of frame breakage at any time.

Front fork deformation or damage:

The front fork may cause this phenomenon in the event of a collision or improper use. For example, if the front fork is deformed/damaged, it needs to be replaced in time. For the shock-absorbing front fork, it is necessary to consider adjusting/replacing the shock absorber oil.

 

Loose front fork:

Generally, this situation is caused by the fixing nut and device of the front fork not being tightened. Tools should be used to check and adjust the tightness.

 

Front fork spring/shock absorber system problem:

This problem is likely to be caused by spring wear, shock absorber oil leakage or improper adjustment. If there is a problem with the system, it can be adjusted or repaired according to the instructions provided by the manufacturer.

 

Frame and front fork alignment problem:

Generally, the frame or front fork is asymmetrical due to collision or improper adjustment. Professional tools can be used to check whether it is aligned.

 

Problem 8: The electric power assist system displays abnormality

Solution:

Check whether the battery is properly installed and whether the battery is powered normally. Check whether the display interface is damaged. A fault in the display may cause abnormal display. Restore the default settings. When all parameters are restored to the default settings, see if the electric power assist system works normally. Some ebikes need to solve the problem by updating the firmware to ensure that the system is updated normally.

 

Problem 9: The electric power steering system is noisy

Solution:

- First, check whether there is any foreign object stuck in the motor, or whether there is any dust or debris in the motor to ensure that the motor is running normally.

- Secondly, check whether the gears and chains are worn/loose. Chain wear will cause increased noise and need to be replaced in time to ensure quietness.

- Finally, check the motor bearings. Motor bearing wear may also be the source of noise. If it is a problem with the motor bearings, it may need to be replaced.

 

Problem 10: Electric assist is unstable when riding

Solution:

- First check if the battery is fully charged. Some ebikes may experience unstable power supply when the battery is low.

- Next check the electronic control system and check if the power assist mode is set correctly to ensure that the setting meets the riding requirements.

- Finally check the system settings. Some ebikes need to update the system to maintain the stability of the electric assist.

 

Conclusion

These problems and solutions can help you solve common problems in your daily use of electric mountain bikes and ensure a smooth riding experience. If you encounter a problem that you cannot solve yourself, it is recommended to seek professional repair services.

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