Compatible model and fit: Bicycle rearview mirror designed for Merida Scultura Disc 2020. Fits handlebars with an inner diameter of 22 mm to 25 mm. Please measure before . Also suitable for all types of bicycles, including road bikes, mountain bikes, city bikes, motorcycles, and electric bikes. Robust and durable construction: The mirror features an aluminum base and a definition glass mirror for stability and durability. A convex real glass mirror provides a large, definition field of view. The nylon rods and coated frame resist damage, and the design withstands wind and harsh riding conditions for longlasting reliability. Wider view and adjustable angle: Curved, definition lens increases the field of view by 40%. The 360degree rotatable ball head allows easy adjustment to the viewing angle, suitable for city commuting, mountain riding, and leisure cruising. Easy installation: Includes the tool for quick attachment to most standard handlebars 22–25 mm in diameter. No complicated assembly or additional parts required. Fits left and right. Quick installation and compatibility with all models for commuting, cruising, or mountain biking. Use scenarios: Urban commuting and daily errands: stay aware of vehicles and pedestrians behind you while navigating intersections. Mountain biking and crosscountry riding: monitor riders and obstacles on rugged trails. Leisure riding and scenic routes: easily adjust the mirror for comfortable rear visibility during relaxed rides.