Description Features: - Antirust: The bike bell made by high quality aluminum and plastic material that is anti-rust and anti-aging. These factors provide a prolong usage to men and women bikes, boys' and girls' bikes. - Loud Warning Bell: This bike horn ring features a rotated collision sounding system that delivers loud ringtones. Loud ringtones can catch attention of pedestrian and offer you a safe cycling on the road. - Easy to Install: This classic bicycle bell comes with a quality and durable mounting bracket that allows easy installation as a part of bike components on bike handlebars with outside diameter 20-25 mm. - Lightweight & Durable: This bicycle ring features lightweight and durable at the same time in the reason of high quality material. - Small and Solid: The bike horn is small and solid. It is a high-performance cost ratio choice. Four type bell and multi-color bicycle bell for choice.What's in the box 1 x Aluminum Handlebar Bell - Blue