... 3,33 air vents,high ventilation 4,factory direct price Bicycle Parts(Helmet,33 air vents)Name bicycle parts(helmet,33 air vents)Model TK ... -20 days after confirmation About usWe have large quantity of bicycle parts in stock, so we can offer you this product at ... -20-3651528 Tel: 86-18244998946 Four colors for your choosing Bicycle Parts(Helmet,33 air vents)