Features: Brand new and high quality Durable Material: Made with stainless steels and good quality ABS nylon, this rearview glass ensures long lasting performances, even in challenging conditions. Enhanced Visibility: This rearview glass rotates 360 degrees, providing a wide view for clear observation of transportation behind you, improving safety during cycling. Suitable for Cyclists: Whether you ride daily or embarks on long journey, this rearview glass is designed for cyclists, helping you staying aware of your surroundings while riding. Versatile Usage: Perfect for city cycling or explore different terrains, this rearview glass allows you to adjust the direction for optimal visibility, ensuring a safety riding experience. Easy Installation: With its specially designed attachment for most road bike handlebars, this rearview glass can be easily installed without any hassle, providing added convenience for cyclist. Specifications: Material: ABS/Nylon/Stainless Steels Color: As The Picture Shows Suitable for Handlebar Aperture: 17-24mm Lens Size: approx.68mm/2.67in (More Size Detail, Please See Photo.) Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 2 Kinds of Package(Optional) Package 1: 1 Set of Bike Glass Kits(1 set) Package 2: 1 Set of Bike Glass Kits(2 sets)