Bike Helmet Bicycle Helmet for Adult Men & Women Mountain Road Cycling Helmets with Dial Fit Adjustment Detachable Visor

【Helmets for adults safe and sturdy】Gudook adult One-piece molding bicycle helmet, made of thickened High-density EPS buffer layer inner shell and PC outer shell, shock absorption, high impact resistance, provide higher safety performance and meet the US CPSC ASTM bicycle helmet safety standard. And holds the CE certificate issued by the EU NB agency.【Bike helmet for scientifically Designed】Lightweight and durable, with a 22-hole ventilation system to enhance the air circulation inside the helmet, distributed mesh thickened inner lining and head fully cushioned, more comfortable to wear, and can be easily disassembled for cleaning.【Bicycle helmet with Visors】Riding helmet visor can be detached or assembled to provide shade while riding, allowing you to reduce glare, improve visibility, and direct airflow.【Bike helmets for】urban commuting city road mountain biking, enduro and off-road, skateboarding, roller skating, etc. This helmet is designed 14over age for European and American men and women's riders.【Cycling Helmet adjustable】bike helmets for men/women are fully adjustable to fit the head circumference size (M) 53-57cm/20.86-22.44 inches, (L) 57-61cm/22.44-24.1 inches, provided by the adjustment dial, thickened chin pad, and adjustable length chin strap to make it Comfortable fit and comfortable to wear.