Loud, Crisp, and Clear Sound: The sound of this thumb bell can emit up to 90 dB, which is loud and clear enough to warn both cyclists and pedestrians. You can strike the bell quickly and continuously, making cycling safer.
Premium Material: The bike ring bell is made of high-quality copper, engineering plastic, and a high-strength spring. It is anti-rust and anti-aging, suitable for long-term use. In addition, it is designed with a hollow interior and a slit in the middle for better sound transmission.
Specification: Adjustable caliber, fits most handlebars with diameters of 16 mm - 38 mm (0.63 inches-1.49 inches). It is lightweight and compact, weighing about 39 g and the size is about 3.3*3 cm (excluding the fastening strap). Three colors are available (black/silver/gold).
Wide Adaptability: Reliable for kids' bikes, mountain bikes, road bikes, commuter bikes, folding bikes, city bikes, scooters, and etc.
Easy to Install: Tool-free installation and removal. Simply unscrew the black nut, pull out the fastening strap, install the bell where you want it, then put the fastening strap back and twist the screw. The bell is designed with 360-degree rotation so you can also choose left-handed or right-handed depending on your cycling habit.
SIZE: 9*6.5*3cm