- Easy Installation: The package includes two allen wrenches (4mm and 5mm) for straightforward installation. Securely attach the mirror and bell to your bicycle handlebar using the hex wrench, and tighten for a solid fit. - Enhanced Visibility: The handlebar bike mirrors feature an acrylic convex design, offering a wider field of view than traditional glass mirrors. With a fully adjustable 360° rotation, you can position the mirror for optimal rear visibility while cycling. Remember to remove the protective film (not the label) before use. - Reliable Bike Bell: Crafted from high-quality aluminum and plastic, the bike bell is designed to be wear-resistant, anti-rust, and waterproof. Its loud and clear sound ensures you are heard while riding. The bell is compatible with most handlebars measuring 7/8 inch (22.2mm) in diameter. - Durable Design: The bicycle mirror boasts a high-impact nylon frame and a flexible aluminum fixture, making it both shockproof and durable. Its compact, folding design helps you navigate tight spaces and avoid obstacles effortlessly. - Practical Use Cases: Ideal for city commuting, weekend rides, or mountain biking, this mirror and bell set enhances your safety and awareness on the road. Whether you're navigating busy streets or enjoying a calm trail, these accessories keep you informed of your surroundings and alert others to your presence. With these essential accessories, elevate your cycling experience with improved visibility and safety.