Which brake disks are better: ceramic or cast-iron?

Find out which brake disks are best for your vehicle. In this article, we have reviewed the advantages and disadvantages of both types of disks, as well as listed some recommendations for selection.

Brake disks are one of the key parts of a car’s braking system, responsible for stopping or slowing down traffic, they are made of metal and are mounted on each wheel. They rotate with the wheel and create friction when the brake pedal is pressed with the brake pads. This process causes the rotation of the wheel to slow down, providing safe and effective braking. This important element not only ensure safe driving but also affect the overall performance of the vehicle. The choice of material and quality of brake discs can greatly affect the braking performance and longevity of the braking system. 

When choosing between ceramic and cast iron brake disks, there are various factors to consider, including performance, price, durability and intensity of use.

Ceramic and cast iron brake disks differ in the material from which they are made and the properties that determine their performance.

Ceramic discs are usually made from special composite ceramic materials such as silicon oxide. They have high thermal stability, which allows them to effectively manage the high temperatures caused by friction during braking. They are also lighter than cast iron, which helps to reduce the unladen weight of the vehicle, improving dynamics and fuel economy. All of this makes them an ideal choice for sports cars or cars used on the track. 

On the other hand, cast iron brake discs have good thermal conductivity and shock absorbing properties, which allows them to dissipate heat more efficiently. They are more affordable and are great for everyday driving. However, cast iron rims can wear faster and have a more limited lifespan, especially when used heavily, such as on the track. They are also prone to corrosion, this can lead to a decrease in their performance and the need for frequent replacement.

So, when choosing between ceramic and cast iron brake disks, it’s important to evaluate your needs and the conditions of your vehicle. Depending on your priorities of performance, price, and durability, you’ll be able to determine which brake discs are right for you. Also, pay attention to your vehicle manufacturer’s recommendations.

Regardless of the type of discs you choose, remember that regular maintenance and timely replacement of brake components is essential to your safety on the road. 

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