Clear and Loud Ringtones: The ringtone is clear and loud with strong penetrability. Pedestrians and passing vehicles can hear your bell clearly, which was specially designed for bicycle safety warnings. Ergonomic Design: This bicycle bell is ergonomically designed. You won't feel any pressure when you press the bell. The trigger assembly is very smooth and very practical. The non-slip trigger design makes you more comfortable even when pressing the trigger. Unique bicycle bell: the monster ball is between the trigger and the mounting bracket and can be rotated 360 at any angle, which is very interesting and very suitable for children, boys and girls. Easy to install:You can fix the bicycle bell on your bicycle by tightening just a screw. Note: This bicycle bell is suitable for the bicycle with a handlebar diameter of 22.2mm. So please measure the diameter of your bicycle handlebar before purchasing.