1.PROFESSIONAL DESIGN: Designed for cycling, easy to see the visor. Mirror can be rotated 360 degrees, flexible and convenient. 2.GENERAL DESIGN: There are light reflecting strips on the back of the mirror that make the bike safer.bicycle rear view mirror handlebar 3. EASY INSTALLATION: Plug and play, which is easy to install and use. For most handlebars, mountain bikes and racing bikes. 4.Size of the mounting clamp: for 21-26 mm cross tube diameter. Bicycle handlebar mirror without distortion. Razor-sharp, anti-reflective, impact-resistant and glare-free real glass 5.QUALITY MATERIAL: bicycle mirror Made of high quality stainless steel and nylon resin, it is shockproof and corrosion resistant, ideal for all weather conditions. Delivery Quantity: 1pc Package Contents: Only the above package content, other products are not included. Dimensions: as picture shown (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)