A. This disc brake rotor and brake pad combination is designed for mountain bikes and electric bikes used in bike taxi services, making it a good choice among cycling accessories. B. This set of disc brake rotors and brake pads is carefully crafted from stainless steel, which is sturdy and durable. It can effectively resist wear and corrosion in daily use, providing long - term reliable support for your cycling. C. It comes in a variety of models, including different specifications such as 120mm, 140mm, and 160mm, with a thickness of 2mm, which can meet the diverse needs of different users. Among them, the 120mm model has four styles: A, B, C, and D; the 140mm model has five styles: A, B, C, D, and E; the 160mm model has nine styles: A, B, C, D, E, F, G, H, and I. The rich style options allow you to make a precise choice according to the actual situation. In addition, it is thoughtfully equipped with 10 screws for easy installation. D. This set of disc brake rotors and brake pads is suitable for a variety of vehicle models. Whether it is the exciting off - road adventures of mountain bikes or the daily commuting of electric bikes used in bike taxi services, it can handle them easily. It also performs well on vehicles equipped with automatic transmissions (AT). E. Its design fully considers the actual needs during the cycling process and can provide stable and strong braking force at the most critical times to ensure cycling safety. It is popular among consumers in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. F. If you are struggling to find a high - performance, multi - model, and durable brake accessory, then this disc brake rotor and brake pad combination may be a suitable option for you, adding more safety and fun to your cycling journey.