【Good Performance】It can reduce the difficulty of manually adjusting the brake calliper, quickly adjusting the gap between left and right brake pads, and our disc brake alignment tool can effectively prevent brake pads from rubbing abnormally. 【Adjust Brake Clamp Position】Our bicycle disc brake pads, which are used for hiking, road, city, bicycle rotor disc brake spacing adjustment alignment tools, adjusting the position of brake clamps, so as not to scratch the brake rotor. Good quality material: The bicycle disc brake pads are made of high quality and reliable stainless steel. As a result, it is not easy to damage it even after prolonged use. Portable to use: This bicycle disc brake aligner has the characteristics of small size and lightness, so it is easy to carry, and it is a good driving accessory for you on the road, allowing you to travel worry-free. Perfect fit: With this bicycle disc brake aligner, it is very easy to adjust the clearance between the brake pads and the disc. 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.