China Driving Subject 4 (Motorcycle) Practice Questions - China Motorcycle Driver's License Subject 4 Examination (机动车驾驶人科目四 安全文明驾驶常识 - 摩托车) Exam

Category A (Type A / 类别A) helmets, which meet high-energy impact absorption and penetration resistance standards for motorcycle occupants Category B (Type B / 类别B) helmets, which are lightweight headgear designed strictly for low-speed electric bicycles Any industrial hard hat or construction safety helmet bearing a national industrial production permit Category C non-motorized recreational sports helmets designed for cycling and skateboarding