2. Place the hub on a flat workbench and use professional tools to detect the imbalance of the hub.
3. According to the test results, select the appropriate counterweight and stick it on the corresponding position of the hub.
4. Check the balance of the wheel hub again, but there is still imbalance. You can adjust the position of the counterweight appropriately until the hub is completely balanced.
5. Reinstall the wheel hub to the vehicle, conduct a trial run, and check whether the wheel still vibrates or shakes.