About this itemWhat you receive: the package includeds 4 pieces bike bells in different colors, consisting of black, white, red and blue, classic colors and eonough quantity are suitable for your whole familyAppropriate size: the bike bell with classic outlook comes in a small size measuring approx. 2.2 x 3 cm/ 0.87 x 1.18 inch, easy to fit your bicycles handlebar tube, and the outer diameter is about 21-22 mm/ 0.83-0.86 inchSturdy material: made of quality plastic and aluminum alloy, the bike bell is anti-rust and anti-aging; With classic design, high strength springs and strong alloy bracket, the classic bicycle bell is easy to install into your bike; Just tighten the screw on the handlebar with a screwdriver, will not take you too much time to complete the workClassic design and loud sound: the bike ring bell features classic design, simple but trendy, can add charming look to your bikes; The bicycle bells can deliver a loud sound to be heard clearly, which makes the riding much safer, suitable for both adults and kids to useApplicable to most cycling bicycles: bicycle accessories are suitable for children, mountain bicycles, road bicycles, urban bicycles, small motorcycles, MTB, etc.