Evo 'Honk Honk' Bicycle Horns are a fun and functional way to add personality to your bike. With multiple styles and colors to choose from, including dinosaurs, pandas, turtles, parrots, dolphins, kitties, penguins, sumos, and orcas, there's something for everyone. The horns are easy to install, fitting handlebars between 22-25.4mm, and produce a loud and clear honk to alert pedestrians and other cyclists. Whether you're commuting, cruising, or just having fun, Evo 'Honk Honk' Bicycle Horns are a great addition to any bike.