Features: Bicycle rearview mirror supports clear, undistorted image and wide background view, ensuring safety when riding. 360°Adjustable & Rotatable: The rear view mirror is adjustable to your desired angle, rotatable mirror provide clear visuals of the road conditions behind you. ABS Case + aluminium alloy, high-impact durable frame - 100% safe and unbreakable. Mirror size: About 125mm x 50mm / 4.92in x 1.97in (longest, widest), suitable for 22.2mm/0.87in bicycle handle. Suitable for most bicycles and motorcycles. Easy to install: No tools required. Well mounted in minutes. Specifications: Name: Bike Mirror Material: ABS+aluminium alloy Color: Black, Red, Silver, Blue(optional) Suitable: for handlebars with a diameter of 22.2mm/0.87in Package size: 12*4*8cm Package weight: 200g Pacakge list: 1 x Bike Mirror