This bicycle helmet uses a simple quick release publication that can be fastened and unfastened without changing the use. Special aerodynamic design allows for air ventilation and maintains coolness while riding a bicycle. This helmet is made of PVC and PC, and is made of EPS. Material, this is a lightweight and high-quality helmet. A wearable shoulder strap of 57-63 centimeters can meet the needs of most cyclists. The covered interior adds more comfort and is detachable, allowing for regular cleaning to maintain cleaness and hygiene.