The Invisible Bicycle Bell is a revolutionary device designed to enhance safety and convenience for cyclists. Made of high quality aluminum alloy and ABS, durable and strong which can be used for long time. It is a bell that remains discreetly hidden on your bike until needed, eliminating the need for traditional. This innovative bell utilizes advanced technology to produce a sound that is loud and clear, ensuring that pedestrians and other cyclists can hear your presence on the road. It is suitable for handlebars 0.87″ – 0.9″! Its discreet design seamlessly integrates into the handlebar or frame of your bicycle, giving it a sleek and streamlined appearance. With the Invisible Bicycle Bell, you can alert others of your approach without compromising the style and elegance of your bike.