How to adjust the bicycle caliper brake if it can't stop

1. The grinding discs on both sides of the disc brake cannot be close to the disc brake, otherwise it will cause wear. If the fixed grinding disc on the right side is worn, the grinding wheel can be adjusted or broken and welded.

2. If the grinding disc on the inside of the caliper brake is against the disc brake, it can be loosened slightly with a screwdriver.

3. Then adjust the brake, loosen the screw, and lift the brake arm.

4. Pull the wire out, then tighten the screw, then tighten the brake arm.

5. Fully depress the brake and tighten the disc brake pads, the remaining space can be mastered by yourself, but the wear and expansion data of the disc brake pads are not affected: Disc brake principle: The working principle of the disc brake system is to install it on the hub A brake disc that rotates synchronously with the wheel, a caliper is installed on the front fork and the frame, and then the brake disc is clamped by the brake pads in the caliper to achieve the purpose of braking. Mountain bikes mainly used for off-road routes.