How many types of bicycles are in the world?

Answer:
please define type....

the type of bicycle that has 2 wheels has only one type in the world.

the type that has gears to shift or no gears to shift has 2 types in the world.

First answer by Marvelous1. Last edit by Marvelous1. Contributor trust: 29 [recommend contributor recommended]. Question popularity: 3 [recommend question].