A. This is a combination set of front and rear bike lights suitable for mountain bikes. The set integrates a high-intensity front light and a rear light, providing additional safety for cycling. B. The front and rear lights are designed with advanced technology to ensure excellent lighting in nighttime or low-light conditions, making the cycling route clearly visible. Moreover, it supports USB charging, eliminating the hassle of traditional battery replacement. It is both convenient and environmentally friendly. C. The overall design of the set combines aesthetics and practicality. It can not only meet cycling needs but also add a touch of style to the bike. D. Whether you are commuting daily or going on a mountain adventure, this bike front and rear light set is a good choice, making every ride more relaxed and enjoyable.