✈【Prevent Friction Noise】Our disc brake pad can effectively prevent abnormal friction of brake pads, as it reduces the difficulty of manually adjusting the brake caliper and quickly adjusts the gap between left and right brake pads. ✈Anti-Scratch Brake Rotor The distance between the disc and the disc can be kept constant and completely parallel in the future, ensuring the movement of the caliper piston to avoid excessive protrusion of the piston, and no need to adjust the caliper. ✈【Reliable Material】Made of high quality stainless steel, this disc brake alignment tool is sturdy, durable, extremely hard and impact resistant. It can be used for a long time. ✈【Easy to Carry】Our disc brake gap regulator is small in size, lightweight and easy to carry. They are a good bike accessory for you on the road, allowing you to travel worry-free. ✈【TWO SHAPES TO CHOOSE】With this disc brake pad, you can enjoy quiet driving. It is available in oval and rectangular shapes. The rectangles are suitable for 2/4 piston brakes; the ovals are suitable for 2/4/6 piston brakes.