This is a set of disc brake caliper screws for mountain bikes, designed for use in the braking systems of mountain bikes. In terms of specifications, two different sizes of screws are available: M6x18 and M6x20. These options meet the diverse needs of different users, allowing you to make a flexible choice based on your actual usage scenario and bike configuration. The screws offer excellent compatibility and fit well with the brake calipers (commonly known as "brake caliper housing") of mountain bike disc brakes. During the installation process, they can perfectly integrate with the braking system, ensuring the stable operation of the brakes and providing strong safety support for your rides. Made from metal, the screws are of outstanding quality. The metal material endows the screws with good strength and durability, enabling them to withstand the significant pressure and friction generated during braking in mountain biking. They are not prone to damage or deformation, ensuring stable performance even under long - term, high - intensity use. In terms of function, they are essential components in the mountain bike braking system. Through precise installation and proper use, they can effectively enhance the sensitivity and reliability of the brakes, allowing you to control the speed of your bike more safely and smoothly. Whether you are riding on rough mountain trails or flat roads, these screws will provide you with an excellent braking experience.