Adjustable bicycle bell: 3-layer buckle with 2 different sizes of elastic bands, the bicycle bell is easy to adjust according to your needs Fits most bicycle handlebars with diameters of 22 35 mm/ 0.87 1.38 inch It is Comes with 2 colors, which can be replaced and applied to different bikes. Quality Materials: The bicycle bell is made of quality aluminum and engineering plastic material, lightweight and durable, which wont add too much weight to your bike and take up a lot of handlebar space. Clear and loud sound: The bicycle bell puts out a loud and pleasant ding sound, which is universally understood and easily understood by people of different ages, bringing you a safe ride. Easy to install: No tools required for installation or removal, with 3-layer buckles, 2 elastics and anti-slip mat, it can be easily installed on the handlebar in just 1 minute. Wide range of applications: the universal bicycle bell is suitable for road bicycle, mountain bicycle, city bicycle, sports bicycle, childrens bicycle, cruiser bicycle, MTB bicycle, BMX bicycle , the electric scooter, etc., you can also prepare the bicycle bell for yourself, or send your friends and families as a practical gift.