High Quality Alloy Mini Bicycle Handlebar Bell Ring (Red) by Philip Rees | Jan 19, 2014 | Bike Bells Features: 1.Material: Aluminium Alloy + Plastic 2.Suitable for the bike which handlebar diameter: 2.2 CM 3.Lightweight, Compact Design 4.Safe and Durable 5.Easy to install and operation 6.Available Colors: Black Purple Red Blue Silver Gold