NewDoar Brass Duet Bicycle Bell/Bike Bell/Brass Bike Bell Please confirm that you purchase from meituo. Products from other seller is different from images and have no after-sale service. meituo don't take responsibility for products from other seller Dome Diameter: 33 milli meter (1.3-Inch) Brass Duet Bicycle bell has a solid brass dome The 25.4 milli meter clamp fits most handlebars It comes with trigger-pull lever Fits handlebars with 21.7 milli meter - 24 milli meter (.86-Inch - .95-Inch) outside diameters