Extra strong bell: Compared to other bicycle bells, the bells of the bicycle bell are strengthened, so that the bicycle bell has stable and durable characteristics and thus produces a beautiful sound. Adjustable mallet: The outer mallet of the bicycle bell can be adjusted in 12 positions. When cycling, the mallet is fixed in one position and therefore does not slip. Extremely easy installation: The bicycle bell is quickly and easily attached to the handlebars or the handlebars with the screwdriver. For all types of bicycles: the bicycle bell is suitable for all bicycle handlebars with a diameter of 22mm to 25mm. The bicycle bell is perfect for mountain bikes, racing bikes, city bikes and e-bikes. Adjustable Volume: The maximum volume of the bell is 120DB. The volume of normal ringing is between 70-80 decibels, which is comfortable for both children and adults. NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products