I think that cycling is an activity where there is a risk that some people may have overlooked a little bit, but it may cause harm to life. If you do not wear a helmet on the road, may crash and cause injury.it's danger to himself if he had an accident. And the sculpture alone could cause an accident and none fatal. However, in view of their riders. That rides a positive impact on health and the riders think that accidents will not happen to them because the current channel formation motocycle increase. And has a convenient communication tool