Features: brand new and high quality Quality: Made of high-quality aluminum alloy material, this classic antirust bike bell offers a long-lasting use. Each component is firmly mounted with screws, not easy to fall apart. Loud Sound: This classic bicycle bell delivers a single but crisp and long sustained ringtone. It offers a pleasant but inoffensive alerting, so that to secure you a safe riding. Easy Installation: It fits handlebars between diameters 0.67in-1.02in (17mm-26mm). Simply attach, screw and tighten! If you want to install on a thicker handlebar, a longer screw is needed. For Bike Type: This retro bell is one of the essential bike accessories for adults, youths and kids. It fits for most standard bicycle or scooter handlebar: mountain bike, road bike, kids bike, etc. For Right/left Hand Use: Measures 2.17in(55mm) in dome diameter, 2.83in(72mm) in width, the small size and lightweight bike horn can be easily installed either on the left or right side. Specifications: Material: Aluminum Alloy Color: Black/Silver/Red/Blue Package Weight: approx.40g Diameter: approx.55mm/8.66x4.72x3.15in Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Bike Handlebar Bell