Bike Mirror,Newlight66 Bicycle Mirror (Convex Mirror )Adjustable Handlebar Rear View Bike mirrors for Mountain Road Bike Bicycle (1)Package contents: bike mirror + installation tool Mirror Material:Acrylic Mirror diameter: 8cm Mirror type: clip-on mirror Holder for diameter: 18-26 mm Bracket Material: Nylon fiber craftedFeatures of Bike Mirror,Newl..