【Product Name】Bicycle Rearview Mirror 【Material】Glass, Plastic, Aluminum Alloy, Steel 【Mirror】Glass, Flat Mirror, Size Approximately 14.6*5.7cm 【Angle】360-degree Rotation, Adjustable Tilt Angle 【Size】Height approximately 11CM, arm length approximately 15CM (refer to size chart) 【Position】Suitable for installation on the front handlebar, divided into left and right sides 【Installation】Aluminum Alloy Clamp, Suitable for Round Tubes with a Diameter of 20-24mm 【Pairing】8MM and 14MM Open-End Wrenches for Installation (Already Included) 【Net Weight】 Approximately 364 grams/pair 【Gross Weight】 Approximately 475 grams/pair 【Single Pair Packaging Size】25*10*7.7CM / Kraft Paper Box 20*8*8cm / 400g 【Box Size】36 Pairs\ Box 53*48*33CM Gross Weight Approximately 18.5KG 【Features】360-degree rotation, adjustable tilt angle; elevated version, does not block hand position