A perfect bike bell for a bicycle lover! This bell is made of adjustable rubber, ensuring it is suitable for any handlebar. Its easy to fit simply attached the bracket around the handle bars, and secure in place with a screw. The bell is then fitted to the top with one more screw and its ready to use. It provides a nice looking addition to any bike and make riding much safer.T he product is provided with a rubber ring to enable it to fit most handle bar sizes and a Hex key for easy fitting.