Bicycle Bell Ring includes the following features : 

• The ring tone itself is loud and clear with 90db
• Excellent for rust-resistance
• Perfect to install on your bicycle with handlebar mounting hole
• Can be quickly and easily mounted on the handlebar
• Suitable for various bicycles

Material :

• Aluminum alloy housing with ABS gasket

Size closed :

• Diameter of 4.12 cm x Width of 1.5 cm