A. This is a modified product specifically designed to fit Kawasaki ZX - 4R, ZX - 4RR, and ZX - 25R models. B. It is made of aluminum alloy. Aluminum alloy material has many advantages. It is not only lightweight, effectively reducing the unnecessary burden on the vehicle body, but also has excellent strength and corrosion resistance, ensuring long - term durability in various complex usage environments and providing reliable support for the vehicle. C. In terms of design, it is a combination of an upper connecting plate decorative cover and a navigation bracket. As a decorative cover, it can add unique personalized elements to the vehicle, allowing your motorcycle to stand out among many vehicles and show a distinctive style. As a navigation bracket, its design fully considers practicality and convenience. It can firmly install the navigation device, enabling you to conveniently and safely view navigation information and plan travel routes during the ride. D. Whether for daily rides or long - distance trips, this product can meet your needs and is a good choice to enhance the practicality and aesthetics of the vehicle.