Using these Cosmis Racing R1 wheels is straightforward. Just mount them on your vehicle according to the standard wheel - mounting process. When purchasing, make sure to double - check if they fit your car since they're non - application specific. Before installation, it's a good idea to clean the wheel hubs to ensure a smooth fit. During installation, follow the recommended torque settings for your vehicle to prevent any issues. For maintenance, wash the wheels regularly with mild soap and water to keep them looking good. Avoid using harsh chemicals as they can damage the black finish. If you notice any signs of damage, like cracks or bends, stop using the wheel immediately and have it inspected by a professional.