A bike bell or a bicycle bell.
Dirt bikes
Yes but it must either be a cow bell or a gong. Anything else is illegal.
The law might be different from place to place, but usually bikes that are ridden in traffic are required to have a bell.
Youi're probably thinking about cruiser bikes.
They are known as "Boris bikes" sponsored by Barclays.
Because the bikes they use are known as BMX bikes.
no to mountain bikes and trick bikes but yes to the ones called "street bikes" with flat edged tires
Cyclophobia.
Researching Korean bicycle manufacturers has found that one company called Samchuly is the largest manufacturer of bikes in Korea. The company makes a large variety of bikes such as folding bikes, racing bikes, children's bikes, women's bikes and mountain bikes.
The phenomenon of lions riding bikes is called cartoon or animation
Typically the flared end of a brass instrument (trumpet, coronet, trombone, sousaphone) is called the "bell".
bell