ROCKBROS Bike Bell, Hidden Bicycle Bell with Clear& Long Sound, Durable MTB Bell for 22.2/25.4/31.8 mm Standard Handlebar Size, More Than 100DB, Bike Horn for Adults or Kids Bike

【CLEAR AND LOND SOUND】 Small size, big energy. The sound of bike bell is clear and loud. The highest decibel reaches 100db. Even on a noisy road, can warn passing vehicles and people. 【QUICK INSTALLATION】Our bike bells for adults fit standard bicycle handlebar sizes of 22.2 mm/25.4 mm/31.8 mm. Wide application and easy to install. Only one screw can finish installation (The tool is provided in the package). 【DURABLE & STURDY】Our bicycle bell was made of high-quality aluminum alloy and PC. Sturdy and rust-resistant material, so you don't have to worry about using it in rainy or snowy weather. 【HIDDEN DESIGN】 The size of mountain bike bell is 62 ✖ 48 ✖ 22.8 mm, space-saving, you can store more bike accessories on the handlebar. The hidden design is not easy to attract attention and will not affect the aesthetic of bike. Ideal for those who like to keep a low profile. 【ROCKBROS SERVICE】 ROCKBROS bike horn offers 12-month warranty and replacement service. If you have any dissatisfaction, please feel free to contact us.