ARTHEALTH Bike Bell Aluminum Alloy Bicycle Bell Loud Sound Handlebar Safety Horn Bike Ring For Cycling Bicycle Horn Mountain Bike Road Bike

 . Bicycle bell durable material: Made of aluminum alloy cover/aluminum nails and engineering plastic, Aluminum nails make it durable for long-time use. Suitable for both left and right side handlebar used: Anti-slip Ringer can be rotated 360 degrees to adjust. Easy to install: Using the screwdriver to set up a bell within minutes. For 21.7 to 23mm Handlebars: 21.7 - 23mm Outer diameter is suitable for handlebar of most MTB, BMX bike, road bike, kid bike. Can be also applied to scooter. Must provide more secure for you outdoor cycling: Clear sound ring bell to let others know you are approaching.