1. This bicycle rearview mirror is a practical accessory for cycling enthusiasts and is suitable for mountain bikes and road bikes. It features a universal design, making it easily adaptable to various types of bicycles. 2. The rearview mirror is made of glass, providing clear reflection, allowing cyclists to clearly observe the situation behind during the ride, which greatly enhances cycling safety. 3. One of its highlights is the foldable design. When the rearview mirror is not needed or when the bicycle needs to be stored, it can be easily folded up, taking up little space and facilitating portability and storage. 4. The overall design is simple and practical. Although its appearance is ordinary, it still has aesthetic appeal. In terms of size, it is 9 cm long and 8 cm in diameter. The appropriate size ensures a good field of vision without affecting the overall coordination of the bicycle due to excessive size. 5. There are multiple styles to choose from, including single-piece, two-piece sets, long diamond single-piece and long diamond two-piece sets. These diverse options meet the personalized needs of different cyclists and are suitable for both men and women. The product only weighs 75 grams, and its lightweight design does not add too much burden to the bicycle. 6. Additionally, this rearview mirror has passed strict quality inspections and has a quality inspection report number 561231235, ensuring its quality. Whether for daily rides or long-distance trips, it can be a reliable companion on the cycling journey, adding a sense of security and convenience to cycling.