Mini cycling glasses rearview mirror, high clear, support multi-angle adjustment, to help you combine the front and rear view, to add a safety guarantee for your ride. Features: Mini cycling glasses rearview mirror, high-clear and anti-fog, to help you combine the front and rear view, to ensure safety riding. High-quality ABS plastics housing, with nice durability, strong and aging resistant, not easy to crack. Mirror support up/down 300 and left/right 360 adjustment, convenient for you to quickly adjust to the right angle. Weighing only 12g, the lightweight design allows you to ride even long distances without feeling the extras burden. Easy to install and use, clamping firm, suitable for most of the cycling glasses in the market. Helmet mounting needs to be used with glue(not included). Specifications: Color: Black Material: ABS + Mirror Item Size: 92 * 30 * 41mm/ 3.6 * 1.2 * 1.6in Item Weight: 12g/ 0.4oz Package Size: 125 * 60 * 30mm/ 4.9 * 2.4 * 1.2in Package Weight: 28g/ 1.0oz Packing List: 1 * Rearview Mirror