The ROCKBROS 2019-1BB is a mechanical lever bell designed to add a vintage touch to your bicycle while ensuring you are heard on the road. Crafted from a copper and brass alloy for a premium gold finish, it produces a crisp and loud sound that alerts pedestrians and other cyclists effectively. Measuring 58 x 32 x 68 mm and weighing just 68 g, this compact accessory fits handlebars with a diameter of 21-23 mm. It is secured firmly using a screw-tightened clamp, making it a reliable choice for riders who appreciate a classic aesthetic combined with simple, dependable functionality.