Applicable Bicycle Models: Bike mirrors compatible with Giant Trance E+ Pro, Trance May, Trance SX, Trance X, and Trance X 3. Fits handlebars with a diameter of 22–32 mm. Please measure your handlebar before . Built to withstand daily riding, bumps and vibrations without loosening or breaking, while protecting your handlebars from scratches. Mounts on either side using the included nonslip rubber gaskets and screws. Materials: Constructed from quality ABS, tough aluminium tubing, antislip rubber base and glass mirror. The ABS shell resists impact and wear; the thickened aluminium tube is deformationresistant and durable; the glass lens offers a broad view; the antislip base increases friction for secure mounting. Clear and Wide Field of Vision: The convex glass lens provides a definition wideangle rear view with no blind spots, allowing you to monitor vehicles, cyclists and pedestrians behind you. The glare surface ensures a crisp reflection in various light conditions, improving safety whether you are commuting, touring or mountain biking. 360° Adjustable: Fully rotatable mirror head and bendable aluminium support rod allow adjustment to virtually any angle for the viewing position. Bend or rotate to suit your height, riding posture or terrain, ensuring an rear view without turning your head. Installation and removal take minutes, with no special tools required. Use Scenarios: Urban commuting: keep an eye on traffic behind you on busy streets and intersections. Longdistance riding and touring: maintain rear visibility on highways and open roads. Mountain biking and offroad: monitor trailing riders or obstacles on rough trails.