The first picture is a product picture, the other pictures are sample displays Wide applicability: it is suitable for most brands and models of bicycles, including road bikes, mountain bikes, etc.Whether you are a professional rider or a casual rider, you can use it Strong durability: made of high-quality stainless steel, the surface has been specially treated, and the oxidation resistance and wear resistance are very good.Even if used for a long time in harsh environments, it can maintain good performance. High stability: six fixing screws are used for installation, and the degree of fastening is uniform to ensure that there will be no caton or shaking during rotation, making the riding more stable and comfortable. Improve the riding experience: The design of the six-nail disc can improve the riding experience, make the brakes more sensitive, and at the same time improve the braking efficiency and safety.