Multiangle adjustable view The bike rearview mirror offers multiangle and multiazimuth adjustments to locate the viewing angle for enhanced safety while cycling. Antiglare lens The antiglare rearview lens provides a clear view by reducing glare from sunlight, suitable for all riding conditions. Adjustable rod range The rod has a range of expansion from 0 to 50 mm, which allows for adjusting the mirror position to fit your bike and riding style. Wide compatibility Designed to fit handlebars with a diameter of 20 to 23 mm, ensuring compatibility with most mountain bikes and various models. Use scenarios City commuting and urban riding: easily check traffic behind you before lane changes, merges, and intersections. Offroad and mountain biking: maintain rear awareness on uneven terrain and when following or passing other riders. Rides under bright sun or changing light: antiglare helps keep a clear rear view in variable daylight conditions.