Brake pads are always equipped with anti-roll or anti-rattle plates or springs. In the brake calipers of the disc brake sets mentioned on the "related parts" tab, these are springs that must be ordered when replacing the brake pads.
These springs, like brake pads, do not have eternal life, corrosion can cause them to break or lose their tension. The brake pads start to rattle, causing noises such as squeaking.
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