Shatterproof Film : Protected by a shatterproof film, our mirror is designed to withstand impacts without compromising safety. Scratch Resistant Surface : The mirror's surface is treated to resist scratches, preserving the high-definition view and prolonging its lifespan. HD Safety Rearview : Our convex mirror provides a wider field of view compared to conventional mirrors, ensuring you see more of what's behind you. Widely Compatible : Suitable for bicycles with handlebar end inner diameters ranging from 17.4 to 22mm, offering a universal fit. Easy Installation : Comes complete with necessary Allen wrenches for a hassle-free installation, making it accessible to all cyclists. Enhance your cycling journey with our shatterproof convex mirror, designed to elevate your rearview experience. The mirror's shatterproof film adds an extra layer of safety, while the scratch-resistant surface ensures a crystal-clear reflection at all times. With its HD safety rearview feature, you'll enjoy a broader perspective of your surroundings, making each ride safer and more enjoyable. The adjustable handlebar mount is compatible with a wide range of bicycles, accommodating handlebar end inner diameters from 17.4 to 22mm. Installation is simple and quick, courtesy of the included Allen wrenches, so you can hit the road sooner rather than later.