Simson bicycle bell This mini bicycle bell has a fixed plastic attachment, which can be mounted on the handlebars using a Phillips screwdriver. The bell has a diameter of 32 mm and is made of aluminum in combination with high-quality plastic. This gives the bell a sporty look and a clear sound. Specifications: Color: black Gender: unisex Material: aluminum Bell diameter: 32 mm Handlebar diameter: 22.2 mm Attachment: plastic bracket