Falling down in the process of riding can cause very big damage to the head, the security issue can’t be ignored even if the cyclist is riding smoothly with the lower speed along the slope on the cycleway. The reason to wear a helmet is very simple but also very important – to protect the head, limit the injury. Relevant date shows that 75% causes of death is the head have been fatal injury from more than 500 cases cycling deaths each year. Medical research found that to wear a helmet during riding could prevent 85% of head injury, also greatly reduce the degree of injury and accident death rate.
Bicycle have been gradually become the travel and relaxation tools for people since its invented, especially after cycling was been a competitive sports, people are more popular with it. But as a sport in run-off with speed, security becomes a very important issue. Thus, helmet has been invented. Helmet appeared not only protect the safety of the cyclist, but also improve the performance of racer athletes.