Bike Bicycle Cycling Handlebar Mount Rearview Mirror Adjustable Sports Mountain Description: It can be installed on universal handlebar end. Shatterproof chrome electroplated high-strength ABS plastic material. Installed in the horizontal position and can be adjusted in full angle. Smaller mirror area shatterproof mirror. Name:Bicycle Rear View Mirror. Material:ABS high strength plastic. Color:red/black/blue/yellow. Screw diameter:about 3.75 mm. Mirror size:about 6.5x4.3cm(L x W). Features: - Mirror position can be adjusted as you wish. - Suitable for bicycle handlebar with inner diameter of 17 mm. Package included: 1 x Bike Rear View Mirror