Wide Range Mirror Dimensions: 10cm x 6.5cm x 3.5cm (3.94" "x 2.56" "x 1.38" "(approx). Adapt tube diameter 22mm - 25mm / 0.87" "to 0.98" "(approx). High quality material: plastic holder made from ABS material; Super clear flat glass mirror, scratch-resistant stainless steel rod Unique Light Reflector Design: With the light reflector in the back of the bicycle mirror, it brings you more safety during night riding Angle adjustment and easy installation: adjustable to any angle; Horizontal or tilt degree adjustable; easy to install and remove by hand Suitable tube size: Suitable for tube diameter: 22mm - 25mm / 0.87 "" - 0.98 "" (approx); any questions you have, please feel free to contact us; We will get you back within 24 hours Product description Color: 2 Pack Bike Mirror Package include: 1 pair * bicycle rearview mirror please kindly Note: the brand and Amazon. are the authorized sellers on the Amazon Marketplace. Please purchase the product from sellers or Amazon. to ensure the authenticity of the products and all your questions, do not hesitate to contact us; We will pick you up within 24 hours Product specification: Material: ABS, nickel-plated metal, glass Quantity: 1 pair Connection wire: M6 Features: Durable, Wide range, Angle adjustment, Light reflector Suitable for tube diameters: 22mm - 25mm / 0.87 "" - 0.98 "" (approx) Mirror Size: 10cm x 6.5cm x 3.5cm / 3.94 "" x 2.56 "" x 1.38 "" (approx)