Bicycle Bell for AirTag 120dB, Bike Mount for AirTag GPS Tracker Waterproof Classic Brass Holder Hides Under Bike Bell Anti-Theft Bike Bell for Bicycle Handlebars Loud Crisp Clear Road Mountain Bike Ring Bell for Adults Bike Bell, Aluminum Alloy Bicycle Bell with Clear Loud Sound, Bike Bells for Adults and Kids, Sturdy and Compact Bell Fits 0.87in(25.5mm) Handlebar for Mountain, Road Bikes. Anti-Theft Bike GPS Tracker Holder for Bicycles Bike Bell for Kids & Adults Hidden Bike Mount bike AirTag GPS tracker Holder for 25.5mm Diameter Handlebar Bicycle Bell for AirTag for AirTag Hidden in The Bell Mountain Bike Bell Loud Sound 120dB Bike Bells for Adults Bikes Kids Bikes Road Mountain Bike Accessories Bicycle Bell with Clear& Long Sound Waterproof Brass Holder Hides Air Tag Under Bike Bell Anti-Theft Every layer screw-fixed, theft-deterrent installation IPX5 Waterproof -- Fully integrated waterproof slot design, The bike hidden airtag mount for Apple AirTag protects your AirTag from rain. Bike Mount for AirTag GPS Tracker Hidden Design AirTag Bike Bell -- The bike bell features a separate slot which is sealed, waterproof and secured with screws. it hides AirTag under top cover, keep your Airtag out of sight and protected from potential theft. keep track of a lost or stolen bike, or monitor your child’s ride in real time. Note: AirTag not included. Louder & Clearer Sound -- bike bell features a copper alloy dome and hammer, it delivers a loud, clear, resonant ring with a lasting chime, max up to 120dB, the ringtone is clearly audible even in noisy traffic, effectively reminds passers-by of your presence and ensures safe riding. Anti-theft Security Design -- The waterproof bike bell features layered security design. Every layer is independently secured with special screws that equires special screwdriver to open. Yes, installation requires a few more minutes with hex keys. This intentional complexity is your ultimate advantage. Once mounted on your handlebar, the bicycle bell is not easily removed by thieves. Quick & Easy Installation -- Comes with 2 hex keys for hassle-free setup. Effortlessly mounts onto 22.2mm/0.87" handlebars in seconds. Suitable for adults bikes, kid’s bikes, ebikes, mountain bikes, city bikes, electric scooter, etc. Please measure your bicycle handlebar diameter before purchasing. Component Upgrade -- The bicycle bell for AirTag is now upgraded with stronger hardware. Screw Upgrade: thin-head flat socket screws → thicker button head socket screws for higher strength, better torque resistance, and easier installation. Allen Key Upgrade: 2.0mm → 2.5mm. 2.0mm was weak, prone to stripping/breaking. The 2.5 mm Allen Key enables higher torque application, resulting in a more secure connection and reduced risk of stripping. Compact, lightweight and Stylish -- Just 80g! Its compact form factor occupies minimal handlebar space, ensuring a clean and unobtrusive look. The top cover is made of tough PC, offering excellent resistance to water,scratches, impacts, and general wear and tear.