A. This bicycle handlebar extension is made of aluminum alloy, which is sturdy and durable, providing you with a reliable cycling experience. B. It has diverse functions and is an excellent extension rack. It can be used not only to install a front light, allowing you to have a clear view during night rides and ensuring cycling safety, but also to mount a cycling computer, enabling you to easily record data such as speed and mileage while cycling and better plan your cycling route and rhythm. C. It has strong specification adaptability and can match well with various bicycle handlebars. It can be easily installed on your bicycle, adding practical functions to your bike. D. Whether you are commuting daily or going on a long - distance outdoor cycling trip, it will be a reliable assistant for you, making your cycling more convenient, comfortable and safe. Choose this bicycle handlebar extension and start your cycling journey.