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13.1 Symptom: The battery shell is damaged.

Solution: Please repair the shell if it can be properly repaired. If the damage is serious, replace the battery with a new one.

12.1 Symptom: Tire leaks.

Solution: Replace the tire.

12.2 Symptom: The tire bulge when the customer inflated the tire.

Cause: The tire pressure is too high or the tire is not assembled in place.

Solution: Push the ebike to a repair shop, release the gas and reassemble the tire, then fill in the appropriate amount of air to see if the fault can be eliminated. If the above operation does not solve the problem, replace the tire with a new one.

12.3 Symptom: The tire pressure is too high or too low.

Solution: If the air pressure is too high, it is necessary to release some air. If the air pressure is too low, it needs to be inflated in time.

12.4 Symptom: Aluminum ring is deformed.

Cause 1: Inconsistent tension of spoke leads to deformation of aluminum ring.

Solution 1: Adjust the tension of spokes to make them consistent.

Cause 2: Aluminum ring is deformed due to impact or extrusion.

Solution 2: Replace the deformed aluminum ring.

12.5 Symptom: The aluminum ring is not round or the spokes make abnormal noise when riding.

Solution: Use the spoke wrench to adjust and increase the tension of the spoke until the abnormal noise disappears when riding.

12.6 Symptom: The chain touchs the tire when riding.

Solution: Adjust the position of the chain puller.

11.1 Symptom: The battery lock is damaged.

Solution: Replace the battery lock with a new one.

10.1 Symptom: The battery cannot be installed in the battery compartment.

Cause 1: The position of the battery base has changed due to external force during transportation, and the battery could not be installed in the battery compartment.

Solution 1: Loosen the battery base and correct the position again.

cause 2: The latch of the battery base was damaged due to external force during transportation, and the battery could not be installed in the battery compartment.

Solution 2: Replace and install a new latch.

10.2 Symptoms: The battery can not be removed from the battery compartment.

Solution: Adjust the position of the upper and lower bases of the battery compartment and reinstall the battery. Please contact the manufacturer who will provide the operation video.

9.1 Symptom: Brake pad is worn or falling off.

Solution: Brake pad wear is normal. If the wear is serious, replace the brake pads with new ones.

8.1 Symptom: The brake disc is damaged or deformed.

Solution: Brake pad wear is normal. If the wear is serious, replace the brake disc with a new one.

7.1 Symptom: The brake is too tight. Hold the brake slightly, and the brake will work immediately. It is too sensitive.

Solution: It is recommended to go to the maintenance shop and ask professional technicians to help adjust the brake tightness. The customer is not recommended to solve the problem by themselves.

7.2 Symptom: The brake is too loose. It takes a lot of effort to hold the brake to make it work. The brake is not sensitive.

Solution: It is recommended to go to the maintenance shop and ask professional technicians to help adjust the brake tightness. The customer is not recommended to solve the problem by themselves.

7.3 Symptom: Brake faulty. It takes a lot of effort to hold the brake, and the brake still doesn't work.

Solution: It is recommended to go to the maintenance shop and ask for professional technicians to help repair the brake. The customer is not recommended to solve the problem by themselves.

7.4 Symptom: Brake oil leakage.

Solution: Replace the brake.

7.5 Symptoms: Brake handle is broken.

Solution: Replace the brake.

7.6 Symptom: Brake makes abnormal noise.

Problem 1: The brake makes abnormal noise when it is not operating.

Solution 1:

(1) Check whether the brake disc is bent or structural abnormal. If there is distortion, replace it in time.

(2) Check whether there is friction between the brake pad and the brake disc. adjust it in time if there is friction.

Problem 2: The brake makes abnormal noise when it is braking.

Solution 2:

(1) Check the brake disc for oil contamination. If there is oil stain, clean it in time.

(2) Check whether the brake pad is seriously worn. If the brake pads are seriously worn, replace them in time. 

6.1 Symptom: Pedal wear.

Solution: The pedal belongs to vulnerable parts, and wear is normal.

6.2  Symptoms: The pedal falls off.

Fault 1: The pedal is not installed in place.

Solution 1: Tighten the pedal.

Fault 2: The pedal falls off due to thread damage.

Solution 2: Replace the pedal with a new one.

6.3  Symptom: The foot pedal is not installed in place.

Fault 1: The thread is not aligned when the foot pedal is installed.

Solution 1: Reinstall the pedal. If the thread on the pedal and crank is seriously damaged, then replace the pedal and crank.

Fault 2: The foot pedal does not installed to the end.

Solution 2: Install the foot pedal to the end.

5.1 Symptom: The saddle is damaged.

Solution: Replace the saddle.

5.2 Symptom: The saddle is loose.

Solution: Tighten the screws.

5.3 Symptom: The seat saddle angle is not appropriate.

Solution: Adjust the angle of the saddle. 

4.1 Symptom: The suspension is too soft or too hard.

Solution: Adjust the suspension knob to make its elasticity meet the customer's requirements.

4.2 Symptom: The suspension is damaged.

Solution: Repair or replace the suspension.

4.3 Symptom: The shock absorber leaks oil in hot weather.

Solution: It is normal for lubricating oil to flow out due to high temperature.