- HD Convex Mirror: This package includes two high-definition acrylic convex mirrors, offering an expansive field of view and stable imagery while riding. Compared to traditional glass mirrors, these mirrors provide enhanced durability and a longer lifespan. Note: Remove the protective film (not the label) before first use. - 360° Full Rotation: Each mirror features a fully adjustable design that rotates 360°, allowing you to install it on the end of your handlebar for optimal viewing angles. This ensures you can observe your surroundings clearly, enhancing your safety while cycling. - Robust Design: Constructed with a high-impact nylon frame and a flexible, durable aluminum fixture, these mirrors are built to withstand shocks and bumps. The compact and folding design helps them avoid obstacles, making them perfect for various riding conditions. - Widely Compatible: Designed to fit handlebars with an inner diameter of 18mm to 22mm (0.7in to 0.86in), these mirrors are ideal for a wide range of bicycles, including road bikes, mountain bikes, city bikes, and electric bikes. Please verify compatibility with your handlebar size before purchase. Use scenarios: 1. Ideal for commuting, these mirrors provide a clear view of traffic behind you, ensuring a safer ride through busy streets. 2. Perfect for mountain biking, the shockproof design helps maintain visibility on rugged terrain, allowing you to focus on the trail ahead. 3. Great for long-distance cycling, the adjustable angle ensures you can keep an eye on fellow riders or vehicles approaching from behind.