A. This is a rear mudguard specifically designed for motorcycle modification, also known as a rear mud flap or rear mud cover. It is suitable for the F900R and F900XR models. B. In terms of design, it is customized according to the characteristics of the F900R and F900XR, enabling a perfect fit for these two models and seamless installation. This ensures that it does not look out of place on the overall appearance of the motorcycle. Instead, it plays a certain decorative and optimizing role, making the motorcycle look more harmonious and aesthetically pleasing. C. In terms of usage, it has very practical functions. As a key component for blocking sand and dirt from the rear wheel, during the motorcycle's operation, it can effectively block the sand, rainwater, and dust kicked up by the wheels, preventing these contaminants from splashing onto the motorcycle body, the rider, and the vehicles behind. This not only helps keep the motorcycle clean, reduces the wear and corrosion of the body caused by sand and dust, and extends the motorcycle's service life, but also enhances riding comfort and protects the rider from mud and water during the ride. D. It has an authorized private brand, which means the product has certain guarantees and features in terms of quality and design. It is worth the choice of motorcycle enthusiasts, adding a practical and aesthetic accessory to your beloved motorcycle.