Features: 360 degree rotation adjustment provide a full ranges view suitable for various vehicles such as bicycles, electric bikes, and motorcycles. With reflective function, it improves security, is easy to install, and convenient to use. Good qualities reflective looking glass, clear and visible, be freely adjusted in angles and position according to needs. Bicycles ride, electric vehicle users, and motorcycle ride need to increase the population for driving security. Daily commuting, cycling, traveling by motorcycle, and traveling on road require observing the surrounding traffics conditions. Specifications: Color:Three Elections Installation diamater within 22-25mm/0.86-1.02in Component:ABS/Glass/Aluminum Alloys Package Includes: 1pair Bike Looking Glass note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.