Adult Bike Helmet With Light - Front And Rear Led Lights Adjustable, Scooter Product Features ?Adjustable Bike Helmet?:This bicycle helmet is designed for adults or youth,teen; suggested head circumference:52.5-55.5cm(20.7-21.9 inches).To determine the correct helmet size,please wrap a measuring tape around youe head,the tape should rest 1.5cm bove your ears and remain level around the circumference of your head. ?Front and Rear Led Light?: Our cycling helmet is designed with USB rechargeable front and back light .While the front lights provide lighting, the rear lights provide higher visibility for the vehicles or people behind you, providing better protection on the city streets at night.The rear lights have 4 modes: constant, flash, slow flash, warning flash.You don?t need to remove the helmet to change the light. ?Adjustable Size Function?:Our road bike helmet for men and women with Dual Fit adjustable design,size adjustable dial at the back of the helmet and side straps helps to fit different head circumference.Turn the dial to adapt the built-in helmet framework for a perfect fit. ?High-quality Cycling Helmet?:GTSBROS bike helmet with lights has passed CE and CPSC certification. The one-piece structure combines EPS foam and high-density PC shells to ensure better shock absorption and provide safer protection. The bike helmet adult is protective and ideal for urban commuting, cycling,scooter riding, skateboarding; also suitable for city, road, electric, trek bike and etc ?Ventilation?: This adult bicycle helmets has 14 vents with inside air-channels to keep you cool and comfortable for a casual ride or a long day on your bike. The removable padding can be washed and provides optimal cushion for a long ride. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!