This Bicycle Rearview Handlebar Mirror is adjustable to your desired angle with 360-degree rotation without dead corner and provide clear visuals of the road conditions behind you. Suitable for 22mm-32mm bicycle handlebar. Equipped with 2 anti-slip rubber gaskets for increased friction, which can hold the lens to the mirror holder for it to stay in place and can be attached to any fitted handlebars firmly and easily. The handlebar rear view mirror is perfect for all conventional bicycle handlebars and can be mounted on both sides, such as E-bike, MTB, electric scooter, motorcycle, road bike, etc. No tools is needed to install and can be taken at anytime.