Size: 3 x 5c x 5cm  
Material: aluminum + plastic  
Bicycle bell color: order   
Packaging: 12/300pcs,
Packing size: 58 x 33 x 23cm, 10/11kg
Delivery: about 20 days
Material: steel and plastic
Customized colors are accepted
OEM orders are accepted
High quality and best price
How to use:
Press switch down, the bell will work with good sound one by one
It can be installed on bicycle, mountain bike cell, toy bike, even motorbike and more
It is very easy to install, children, woman they all can do it, only need a screwdriver