The bikes are intended for kids aged four to ten, and can carry kids weighing up to 85 pounds. The American Academy of Pediatrics stresses that any bike must be the correct size for the child for whom it is bought.
Bicycles can be a means of transportation, physical fitness or racing.
However, bicycle riding poses many risks and should always be done correctly. Children should never abuse the right to ride a bicycle. Helmets won't do you good if you don't choose a proper fitting one, and wear it properly. Children especially should wear helmets. This section describes the laws in various states and countries.