FEATURES:The Road Mirrycle rearview mirror attaches directly to your Shimano STI road-brake/shifter lever, allowing unrestricted use of the entire handlebar for your other accessories. When located on the lever, it"s in the very best position for viewing to the rear; slight flick of your eyes allows for a quick view behind Mounts quickly to the brake hood clip of Shimano STI road levers and won"t interfere with operation Glass mirror provides superior optics Easily folds out of the way when you join your buddies in the peloton,Attaches to either right or left hand lever Made of rugged polycarbonate Includes all necessary tools Description:Item Weight 6 ounces Product Dimensions 6 x 2 x 3 inchesPackage included:1 x Bicycle Mirror1 x Assembly Wrench