A. This bicycle mudguard is an ideal accessory for cycling enthusiasts. It cleverly combines the taillight with the mudguard, adding unique charm and practicality to cycling. B. In terms of design, it is quite innovative. The integrated design not only makes the overall shape more concise and smooth, but also avoids the possible incoordination problems that may occur when the traditional mudguard and taillight are installed separately, adding a touch of fashionable aesthetic to the bicycle. This design also makes the installation process more convenient. There is no need to install the mudguard and taillight separately, which saves time and effort. C. During the cycling process, it plays an important role. The mudguard part can effectively block the mud, water and dust splashed by the wheels during cycling, keeping the bicycle body and the rider clean. Whether it is sunny or rainy, you can ride with peace of mind. The taillight part greatly improves the safety of cycling. In a dimly lit environment, the taillight can emit clear light, making it easier for vehicles and pedestrians behind to notice you and reducing the risk of accidents. D. Whether you are commuting on a daily basis or going on a long - distance cycling trip, this mudguard with a built - in taillight can accompany you all the way to ensure the safety of your cycling journey. It is a good choice to enhance the cycling experience.