Bike Helmet, Adult Bicycle Helmet Adjustable Size, Mountain Bike Helmets with Removable Sun Visor - Adult Road Bicycle Helmets Lightweight for Men Women Cycling

About this item 【In-Mold Design】Our bike helmets meet the US CPSC, EU CE bicycle helmet safety standards. Made of high-quality EPS foam and PC shell with one-piece molding technology, it effectively absorbs impact energy, provides better cushioning and shock absorption protection, and minimizes the risk of head injury in a crash. 【Ventilation & Lightweight】With a special aerodynamic design, 18 vents and a streamlined structure maximize internal airflow, keeping your head cool and dry. In addition, this helmet has an ultra-light design, weighing only 270g, which is comfortable to wear for a long time without putting an extra burden on the rider's head and neck. 【3D-Adjust & Comfortable Fit】Provide a custom fit by rotating the dial on the rear of the helmet, the adjustable side straps and chin pad will add more comfort.Bike helmets can accommodate M/L size heads, with custom fi