FREE SHIPPING WORLDWIDECrisp ringtone, long sound, quick installation.Spring pick, easy.Copper alloy shell material, high hardness.High-decibel bell tone, the sound is crisp and long.Daily waterproof, worry-free riding.Rotate and remove the top cover of the bell, you can put your AirTag in it.Convenient and safe, suitable for ≈22.2mm handlebar diameter.Size.Shipped directly from the manufacturer. 100% Satisfaction GUARANTEED!