Upgrade Material The Bicycle Mirror with high definition acrylic lens, PC shell and PA frame, shockproof and unbreakable, long life, it is a must-have for cycling HD 360 Adjustable Rotating Handlebar MirrorThe universal spherical design of this Bicycle Handlebar Mirror allows you to rotate it 360 until you find the angle you want. Convex Bicycle Mirror The high definition convex Bicycle Mirror gives you a clearer and wider view, improves safety when cycling. Universal design The Bike Mirror is suitable for most bikes, mountain bikes, electric bikes, folding bikes, scooters, etc. with a handlebar inner diameter of 16 to 22 mm. Easy to installThis Handlebar Mirror should be installed at the end of the handlebar with a hex key, remove the connector from the handlebar and insert the expansion screw into the hole in the handlebar. Note: 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.