Using this mechanical brake caliper is easy. First, decide whether you want to mount it on the left - hand or right - hand side according to your needs. Then, attach the caliper securely to the appropriate position. Make sure the arm return spring is correctly installed for smooth operation. When using, apply pressure steadily on the brake pedal for effective braking. As for maintenance, regularly check the brake pads for wear. If they are worn out, replace them promptly. Also, keep the caliper clean to prevent dirt and debris from affecting its performance. Avoid over - tightening the mounting bolts as it may damage the caliper.