Twenty one states, including the District of Columbia enforce laws requiring all riders to wear a helmet. Select riders are required to wear a helmet in twenty seven states. All states except for New Hampshire, Iowa and Illinois have helmet laws for moter bike riders.
Because at the speed they're travelling and the close proximity to cars, an accident can easily split their skulls wide open. A helmet improve their chances of surviving a crash considerably.
air resistance, gravity
motor bike riders are professional riders which do stunts and tricks with out falling off
Valentino Rossi
wear your helmet when you riding to a bike or motor cycle, or wear safety suit.... tnx...
Motor bike racing with no gears or brakes. Four riders racing around a track.
In CA you can. Other states I don't know. In most states you can only get a ticket if you are under the age of 13 and without a bike helmet, but again, this varies between states.
Bike helmets were made to protect cyclists from head injuries in the event of a crash or fall. They help reduce the risk of traumatic brain injuries and other serious head injuries, making biking safer.
If your state has a mandatory helmet law, it will state that you must wear a helmet that complies with Federal Motor Vehicle Safety Standard (FMVSS) 218. That standard applies to manufacturers of helmets. If the manufacturer of your helmet has certified that your helmet complies with FMVSS-218, then you can wear it while riding on the street.If your state does not have a mandatory helmet law, you can wear whatever you want to, including a dirt bike helmet, a bicycle helmet, or nothing at all.If your state has a mandatory helmet law, it will state that you must wear a helmet that complies with Federal Motor Vehicle Safety Standard (FMVSS) 218. That standard applies to manufacturers of helmets. If the manufacturer of your helmet has certified that your helmet complies with FMVSS-218, then you can wear it while riding on the street.If your state does not have a mandatory helmet law, you can wear whatever you want to, including a dirt bike helmet, a bicycle helmet, or nothing at all.
Bike accidents can be avoided by getting a headlight that makes the bike and rider more visible. Headlights mounted on the rider's head or helmet work best in that they allow the rider to look directly at incoming vehicles so that the driver is sure to see the light. Bike riders can also get a horn in order to alert cars that are backing up and which may be unable to see the bike rider. Bike riders can also yell or wave at an upcoming vehicle.
Well, the most obvious thing is that if you fall on your head you run a greater risk of injury. Then there are the laws too, in some places all riders are required to wear a helmet, in others it's only young riders. If you live in a place that require helmet you can be fined if caught riding w/o one.
To get the extreme bike on pipe riders you have to beat all the levels on timed levels