Clear visibility The polished mirror surface provides a clear rear view while riding, helping you see what is behind you or approaching from behind for safer riding. 360-degree adjustable Full 360-degree rotation with a flexible support pole lets you set the exact viewing angle you need and adjust quickly as conditions change. Wide compatibility and applications Fits handlebars with a diameter of 20-24 mm. Suitable for road bikes, mountain bikes, e-bikes, skateboards, and other similar handlebars. Easy to install Loosen the screws, fix the mirror on the handlebar, then tighten the screws. The mirror mounts securely in the right position. Use scenarios - Urban commuting on a road bike: monitor vehicles in adjacent lanes before changing lanes or merging. - Mountain biking: keep an eye on riders or obstacles behind you without stopping or slowing down. - E-bikes and skateboards: stay aware of traffic and pedestrians behind you while maintaining control. This description stays true to the product’s function, compatibility, size range, and performance while presenting clear, customer-friendly benefits.