What aspect of riding does wearing a helmet primarily improve?

Wearing a helmet primarily serves the crucial function of providing protection for the head in case of an accident. Helmets are designed to absorb impact energy and reduce the risk of serious head injuries, including concussions and skull fractures, which can occur during falls or collisions. The foam and hard outer shell work together to dissipate force, offering a significant safety enhancement for riders.

While comfort, visibility, and aerodynamics are important factors in motorcycle riding, they do not compare to the life-saving potential that a helmet offers. Comfort affects the rider's experience during long rides, visibility can help prevent accidents by making the rider more noticeable to others, and aerodynamics can improve performance and stability at high speeds. However, these aspects do not address the primary purpose of a helmet, which is to safeguard the rider's head during unexpected events.