Mirror can be adjusted in 180 degree to get a better traffic view to ensure your cycling safety. Left or Right hand universal bar end fitting. With a screw on the end, suitable for handles with plug hole whose diameter is between 16-22mm, easy and quick to install. A small wrench can be installed successfully. High strength plastic mirror frame and resin mirror, sturdy, resistant to shock and durable for years of use. It is safer to turn your head to see the rear after riding. The mirror has polished treatment which can offer you clear view. Let you ride bike safer, nice accessory for cycling lovers.Specification: Material: Plastic + Resin Color Options: Black; Orange; Green Suitable for Handlebar: 16-22mm Mirror Diameter: Approx. 6.8 cm / 2.68 inch Weight: Approx. 90g Package List:1 * Bike Rear Mirror