Features:BIKE MIRRORAdopt high definition automotive grade glass mirror, anti scratch, anti glare, anti puncture, does not block the view, 10.5 cm/4.13 inch long, 7 cm/2.76 inch wide design, wider field of vision, safer travel.ANTI SHOCK DESIGNThe lens of this bicycle rear view mirror has a special anti loss design, the lens does not wobble when riding, providing you a wonderful driving experience. The smooth bar ensures the shape of the rear view mirror.DURABLE AND DROP PROOFAdopt automotive grade glass lens, strong impact resistant PA and PP. High hardness, the rotation protection structure of the bicycle rear view mirror automatically adjusts the mirror surface to prevent the lens from breaking.RETRACTABLE ADJUSTMENTThe bicycle mirror can be rotated 360, so you can adjust the desired viewing angle in any direction. The central clamping ring protects the handlebar from scratches and greatly improves stability.WIDE APPLICATIONThe bicycle rear view mirror is suitable for handlebars with a diameter of 20-23 mm and compatible with most bicycles, mountain bikes, electric bicycles and electric motorcycles. For easy installation, please move the gear lever so that the mirror is between the handle and the gear lever.Specification:Material:PA+PPColor: blackSize(approx.): (L x W)10.5 x 7 cm/4.13 x 2.76 inch, handlebar diameter 2-2.3 cm/0.79-0.91 inchPackage Included:1 Pc x Bicycle Rearview Mirror (Left)Note:1.Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures.2.Please allow 1-2 cm differences due to manual measurement.