These bike mirrors provide clear rear visibility with a lightweight yet sturdy construction. They combine an aluminum pole, an ABS shell, and an acrylic convex mirror for a wide, reliable rear view. Key features - Material and design: Aluminum pole + ABS shell with an acrylic convex mirror for a clear, wide rear view - Adjustable and secure: 360-degree adjustable support with a long, flexible stem; fixed with double screws to stay in place even on rough roads - Easy installation: No tools required; includes 2 non-slip gaskets to fit almost any bike; suitable for handlebar diameter 15 mm to 32 mm - Practical safety benefits: Provides reliable rear visibility on the go; you can tilt the mirror anytime to maintain the best viewing angle Compatibility and installation - Fits bike handlebars with a diameter of 15 mm to 32 mm - Includes 4 non-slip gaskets (two mirrors with gaskets) to fit almost any bike - Easy to install without tools What’s included - 2 PCS Bike Mirrors - 4 PCS Gaskets Use scenarios - Urban commuting: enhances safety during lane changes and merging by giving a clear rear view - Road or highway riding: helps monitor traffic behind you on busy routes and when overtaking or re-entering lanes - Parking and maneuvering: allows quick rear visibility checks during tight spaces or slow turns, improving overall bike handling This set delivers reliable rear visibility, quick adjustability, and tool-free installation, making it suitable for city riders, road cyclists, and weekend explorers who prioritize safety and performance.