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Brakes are an important component of a vehicle, as the quality of the brakes is directly related to safety. Among them, the brake disc is one of the important parts. Therefore, for the sake of our own safety, we cannot be careless in the choice of the brake disc, and we cannot save money on the brake disc!
Today, let's talk about brake discs. When we see the types of brake discs, we first think of fixed discs and floating discs. What are the characteristics of these two types of discs? Let's take a look.
Fixed discs are mostly adopted by the original factory, with a simple structure. However, the brake pads cannot fully engage due to the squeezing of the caliper piston, which can cause a downward shift in braking force. Therefore, when installing, it is necessary to make the disc as centered as possible between the two brake pads to reduce this situation.
The floating disc is made up of two parts: the inner ring and the outer ring, with a small amount of clearance between the two parts. Its advantages are lightweight and high temperature resistance. The lightweight is because the brake disc material commonly used in the market is relatively heavy, while the inner and outer rings of the motorcycle brake discs are independent, so lighter materials can be used for the inner ring to reduce the overall weight of the brake disc.
High temperature resistance is due to the fact that during high-intensity braking, the disc surface heats up and expands due to friction, and the clearance between the inner ring and the outer ring reserves space for the expansion of the outer ring, allowing the floating disc to continue to work at higher temperatures.
You can see the “minth” on your brake disc. This refers to the minimum amount of brake disc wear. It is recommended to replace it when it is lower than this thickness. You must regularly check your brake discs. Replace them in time if they are below this minimum value, as safety is something we cannot be careless about.
The motorcycle brake disc has many holes and lines, which not only enhance its appearance, but also improve its heat dissipation performance, quickly remove brake pad dust, and lighten its weight. However, now many people are pursuing the sound of the brake disc. After the brake disc rotates, the holes on the disc disrupt the airflow and produce sound. This sound is very similar to the sound of a jet engine, so it is also called the "aircraft disc". Many people are willing to spend a lot of money to buy "good-sounding" brake discs.
Many people modify their brake discs to improve their braking performance, and the only way to do this is to increase the diameter of the brake disc, which can increase braking force. However, the larger the brake disc, the better. The optimal size estimate for the brake disc is 70% of the hub, and the maximum should not exceed 80%.
As a safety-related component, when upgrading and replacing braking motorcycle discs, we must choose brands with guaranteed quality and not buy "three no" products!