Handlebar Bike Mirror Convex Rearview Mirror Adjustable 360°Rotation for 21-26mm Bicycles Features： 1、Brand new with good performance. Made from premium-quality stainless steel materials, unbreakable, reliable performance and clearly rearview. 2、This rearview is adjustable, can be rotated 360°and swing 180°, convex lense, no dead angle in rear view, ensure a safer riding. 3、This rear view fits for dia 21mm-26mm bike handlebar. 4、Direct replacement to your old one. Easy installation and convenient operation. Specification： Features: Brand new with good performance. Made from premium-quality stainless steel materials, unbreakable, reliable performance and clearly rearview. This rearview is adjustable, can be rotated 360°and swing 180°, convex lense,  no dead angle in rear view, ensure a safer riding. This rear view fits for dia 21mm-26mm bike handlebar. Direct replacement to your old one. Easy installation and convenient operation. Specifications: Color: Black  Material: Nylon Lens Curvature Description: Convex Fit Type:Left Side / Right Side, Universal Fit  Package Weight: 150g (1 pcs) 300g (2 pcs) Package Size:14 * 14 * 4cm  Package List: 1 * Right Rearview Mirror Package List： 1 * Right Rearview Mirror