Enhanced Road Safety: The convex bike mirror eliminates blind spots and provides clear observation of side and rear roads for 360degree visibility and safer riding in traffic. Spacesaving 2in1 handlebar mount: Incorporates a mirror to follow the road and a bell to signal its presence, creating a versatile 2in1 bike accessory designed for convenience and safety. Adaptable, tool installation: Suitable for handlebars from 22 to 32 mm in diameter; secure attachment with broad compatibility and effortless mounting and disassembly for versatile use. Antivibration design: Double rubber pads and a stable mirror angle resist vibration and maintain a position over time. Use scenarios: City commuting and urban riding: monitor traffic when merging, turning, or filtering between vehicles. Rides on mixed roads and shared pathways: anticipate pedestrians and other cyclists; use the bell to alert others of your approach. Group rides and daily errands: keep an eye on approaching traffic and signal your presence to others with the bell.