It depends- smaller, low-power bikes can be purchased for younger children. With the right supervision, instruction, and safety and protection gear, dirt bikes can be a fun activity for children and adults of almost any age.
anything fox racing
Considering a crash even at 5 mph on a motorcycle can kill you, safety gear is a necessity. Safety gear is to protect you from collisions and scraping.
dirt bike clothing: shirt, pants, helmet and other protective gear
yes, dirt bikes are motorized
Everybody that races dirt bikes "started" racing dirt bikes at some point.
no dirt bikes arn't illegal
Do you need a license for dirt bikes
no there not dirt bike is better
if the right safety gear is worn and the dirt bike in question is ridden responsibly, they're very safe. i have friends who dirt bike comepetitively, and have had very few injuries, and definatly nothing serious :o) as long as the person who is riding the dirt bike knows what there doing, its completely safe
dirt bikes in the past had less gears and power then dirt bikes have today