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. The rides out alone can cause life-threatening if the accident was not seen.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