Bullet Points: 1Small and ExquisiteBike Horn is small and exquisite, light and simple, the bicycle bell is small in size and has no effect on the handlebar brake shift or other bicycle parts after installation, and does not take up space. 2Easy and Labor-savingThe working principle of Horn for Bike is to strike the bell, and the sound is easy and labor-saving in seconds. Warning bell, you can hear the crisp bell when you gently touch the impact 3Practical GiftBicycle Horns for Adults Loud is very suitable as a gift for bicycle enthusiasts. With it, it can warn the surrounding vehicles and people to avoid it, and it is safer to go out and ride. 4Copper Alloy MaterialBike Horn for Adults uses copper alloy bell cover and nylon and stainless steel screws. This material is durable, and the bell is crisper and the tail sound is longer. 5High DecibelBicycle Horn has a high-decibel ringtone, and the high-decibel bell warning sound can effectively remind passing pedestrians and vehicles. Description: Bike Brass Bell adopts a copper alloy bell cover, nylon, and stainless steel screws. It is not afraid of riding on rainy days. It has a high-decibel bell warning sound, which effectively reminds passing pedestrians and vehicles. Specification: Product Name: Bike Brass Bell Material: copper alloy bell cover and nylon and stainless steel screws Bell Weight: about 63g Applicable handle diameter: about 22-31.8mm or 0.87-1.25in Packing List: Bike Brass Bellx1pcs Note: Due to different lighting and screen settings, item colors may vary slightly from the pictures. Due to the difference in manual measurement, please allow 1-2cm difference in size.