The Bell® Dinger™ 50 bell allows you to ride with confidence and make your presence known in any situation. With its powerful sound output, you'll easily alert pedestrians, fellow cyclists, and vehicles of your presence, helping to improve safety on the trail or road .The aluminum anodized housing is weather resistant and compact form factor allows for a clutter free handlebar. The Dinger 50 is easy to install and fits most handlebars.