King Racing’s partially coated discs provide additional protection in the areas that experience the most heat and wear during braking, especially during continuous, high-intensity braking, thereby extending the service life and reducing the cost of frequent replacements. It retains the basic performance and improves the performance of key areas in a targeted manner, taking into account multiple aspects, such as cost, weight, environmental protection, and service life. The partially coated disc is a type of brake disc with high-cost performance and practicality.