What are the advantages of racing carbon-ceramic brake discs compared to ordinary brake discs, and what is the difference in actual experience?
The Xiaomi SU7 Ultra is equipped with racing carbon-ceramic brake discs, which have higher heat resistance compared to ordinary brake discs, with a maximum operating temperature exceeding 1,300 degrees Celsius—more than twice that of ordinary steel brake discs. The front brake disc diameter reaches 430mm, making it the largest carbon-ceramic disc currently available on sedans, comparable in size to the wheels of ordinary family cars, effectively increasing the heat dissipation area for better cooling.
With lighter weight and higher durability, the normal service life can almost achieve lifetime maintenance-free operation. However, the cost is expensive, typically used only on high-performance cars, race cars, or some high-end automobiles, with an optional price of around 100,000 RMB.
In terms of actual experience, the braking distance is shorter, and the braking process is more linear, greatly benefiting handling performance.