This is a set of cycling accessory kits specifically designed for mountain bikes, including a front light and a rear light. The front light features a 4 - LED design, offering excellent lighting effects. It can illuminate the road ahead during your ride, enabling you to clearly see the road conditions even in low - light environments, thus ensuring your cycling safety. Both the front light and the rear light in the set support USB charging, eliminating the trouble of traditional battery replacement. This more convenient charging method allows you to keep them fully charged at all times, providing continuous and stable lighting and warning functions for your ride. The rear light plays a significant warning role. During the ride, it can effectively alert vehicles and pedestrians behind you, reducing potential risks and enhancing cycling safety. Its overall design combines practicality with aesthetics. The simple and stylish appearance complements the mountain bike perfectly. It is not only a practical cycling accessory but also adds a unique charm to the bike. Whether you are going for a daily ride or a long - distance adventure, this bike front and rear light set is an excellent choice, helping you enjoy a safe and wonderful cycling journey.