CatEye's Yamabiko Bell is a fine all-metal bell with a chime made of brass or copper to add a touch of beauty and retro class to any bicycle. Simply hit the striker with your thumb and the Yamabiko makes a pleasing sound you'll enjoy and that won't startle cyclists or pedestrians. This quality bell is built to last and has an aluminum mount with a rubber shim so it's quickly and easily screwed onto your handlebars.