How to install wheel pulley without wobble electric skateboard?

To install a wheel pulley without wobble on an electric Skateboard, follow these steps: 1. Start by ensuring that the wheel and pulley are clean and free from any debris or dirt. 2. Align the wheel pulley with the wheel hub, making sure that the screw holes on the pulley match up with the threaded holes on the wheel hub. 3. Insert the screws through the pulley and into the threaded holes on the wheel hub. Make sure to tighten them securely, but avoid overtightening as it can lead to damage. 4. Using a wrench or screwdriver, tighten the screws evenly, alternating between them to ensure an even and secure fit. This will help prevent any wobbling or misalignment. 5. Once all the screws are tightly secured, give the wheel a spin to check for any wobbling. If you notice any wobble, loosen the screws slightly and reposition the pulley, then retighten the screws. 6. Repeat the spinning test until the wheel spins smoothly and without any wobble. This may require some trial and error, but taking the time to properly align and secure the wheel pulley will ensure optimal performance and stability. By following these steps, you should be able to install a wheel pulley on your electric Skateboard without experiencing any wobbling issues. If you continue to experience problems, it's recommended to consult with an expert or the manufacturer for further assistance.