Brand new Bike tool. This is the Pro model. It is the result of 10 years of development of bicycle mirrors. It has adjustibility, flexibility, range, clairity and stability. It attaches to any helmet with an adhesive pad. Glues to foam helmets and smooth hardshell helmets. - Shatter-proof aluminized real glass mirror will not discolor - Distortion Free - Shatter-Proof - Viewing area same a s a car mirror - Extreme range of adjustments - Mirror & Arm may be detached from helmet. Important Note: The sticking space of the mirror has a lenght of 6 cm and a width of 3,5 cm. That means, when you use a ripped helmet there is possibly not enought space to fix the mirror. Please check this before ordering. First choice of cycling enthusiasts everywhere ! A cycling mirror is an absolutely essential piece of equipment! It can safe your life !