Description: The bike rearview mirror can be rotated at 360 degrees so that it could be adjusted any direction to help you watch every direction of your back. If you want to keep safe from road accidents, this bike mirror which provides a wider vision of the road conditions behind you would be helpful. It is made of high-quality PA and PP material. The length of the bicycle rearview mirror is 10.5cm, and width is 7cm. It is suitable for electric bike, city bike, and mountain bike with a handlebar diameter from 20mm to 23mm. Item Name: Rearview Mirror Material: PA, PP Applicable Handlebar Diameter: 20-23mm Features: Adjustable, Wide Angle, Shockproof Size Details: Rearview Mirror Size: 10.5cm x 7cm/4.13" x 2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Rearview Mirror 1 x Wrench