【Wider Angle】: Bike HandlerBar end Rear view mirrors has bigger mirror surface,Rotatable And Adjustable,which provides you enough and wider view. 【Solid and Durable】: Bicycle Mirror extended mirror arm is made of high strength and durable nylon fiber material, high impact frame. This material has better strength that is hard to be damaged. 【Shockproof Design】：This rear view mirror has three screws at the back, can be retightened after using a long time. Inside the mirror arm has fashional and stable hollow structure. The sturdy structure ensures that the bike mirror would not shake, crack or break. 【Wide Application】: Bicycle rear view mirror fits 15-17.5/17.5-20mm diameter of the bar end, suitable for open ended grips or cut a hole. The bike mirror is compatible with almost all bicycles,like mountain bikes, foldable bike, cruiser bike,city bike, E-bikes and E-scooters. 【Multiple Guarantees】Product quality and customer satisfaction are both very important to us, and we would love to hear your suggestions about this product. If you have any questions about this bike mirrors for handlebars, you can contact us at any time, we will do our best to solve your problems and make your shopping experience more enjoyable.