Features: Anti-rust Outsides: The bicycles bells is made of good quality waterproof coppers caps and nylon base, therefore it will not rust, even be used on a rainy day usually. Clear & Loud Tone: The mini bike handlebar bells has a loud and also clear bells, helping others to aware of your presences, making your cycling journey more safety. Retro Design:The Bike Bells with delicate outlooks and is small in size.. Can be positioned up on top of bar or in front of bar for more aerodynamics, less noticeable outline. Easy Installation: Our fashion coppers cover bicycles alarm bells fit for almost bicycles handlebars or stems. Please pay attention to handlebars before purchase. Fit for Most Bike: Designed for pretty much all bicycles, mountain road bike, and also scooter, hybrids bike, or ebikes, whether for adults or kid, convenient for cyclists.. Specifications: Material: Coppers Caps, Nylon Holder Color: Silver/Coppers Color Package Weight: approx.30g Size: approx.7x6cm/2.75x2.36in (More Size Detail, Please See Photo.) Applicable Handlebar Diameter: approx.1.8-3.2cm/0.71-1.26in Package Includes: 1Pc Bike Handlebar Bells note: Please allow 1-2cm 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. Thanks!