Make your bike ride safer and easier with the Charge(R) Bike Helmet Mirror. With simple peel-and-stick installation, it will fit onto any helmet in a matter of seconds. The 1.5" optical convex mirror offers maximum visibility, allowing you to check your blind spot without turning your head. With an extendable arm, the mirror adjusts from 5" - 8" in length. You can adjust to any mirror angle with the use of a Phillips screwdriver. DESIGN: 1.5" optical convex mirror for maximum visibility Extendable arm adjusts from 5"-8" Full 360deg adjustability Mirror arm detaches from mounting base Base fits any style helmet Style: CG79368