Bicycle rearview mirror: This rearview mirror is designed for bicycles with a handlebar diameter of 22-25 mm. This means that bicycle rearview mirrors can be used for ordinary bicycles, electric bicycles, mountain bikes, scooters, and motorcycles, etc. If the handlebar diameter is within this range, the rearview mirror is very suitable!Wider field of view: Our bicycle rearview mirror is wider, convex, and has longer mirror arms to provide maximum field of view. The mirror arms are longer to maximize driving safety. The rear field of view is improved by 30% and the blind spot is reduced.360 Rotation The optimized and improved bicycle rearview mirror has a multi-angle adjustable 360 rotation and a 60 reversible lens. You can adjust the mirror to any angle according to your personal habits, so as to obtain maximum visibility and ensure your safety on the road.Stable and Sturdy The bicycle rearview mirror is made of high-quality high-definition glass, the mirror arm is made of shatterproof nylon, and the base is made of aluminum alloy. It is fastened with 304 stainless steel screws, which is sturdy and reliable, not easy to shake, and durable!EASY TO INSTALL: This bicycle rearview mirror is suitable for 22-25mm handlebars, and it is very easy to install, just use the hex wrench included in the package, you can install the rearview mirror in minutes.