Features: Can Be Used As A Bicycles End Plug: Effectively prevent foreign matter such as dust and water from entering the handlebars during rides Multi-Angle Free Adjustable: The rearview mirror is mounted on the handlebar and can be adjusted freely 360-degree High-definition Convex Mirror Wide Vision: Mirrors using high-definition acrylic convex mirror, The farthest view can reach 40m to ensure safety riding Upgrate Acrylic Convex Mirror, Clearer Vision: The mirror is designed with high-definition acrylic, which is clearer and wide view Suitable for handlebar of mtb, road bike, foldable bike diameter 16-22mm Specifications: Material: Nylon+Acrylic Weight: 50g Size: As picture shows Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Rearview Mirror