Bicycle Helmet Adjustable Breathable Mountain Road Bike Helmets Aerodynamics Motorcycle Helmets Cycling Equipments Accessories Brand: RNOX Applicable scene: MTB and Road bike Materials: PC EPS Product weight: M(370G± 10g) L390G± 10g Process type: One piece molding technology Available in multiple colors: 5colors available Product Size: Adjustable head circumference: M52-58CML58-62CM RNOXRNOX new series of products, designed by RNOX studio, the latest cycling helmets, suitable for road bikes and MTB bikes Ultra-light experienceThe overall weight of the helmet is about 370G, which is extremely lightweight and takes into account safety performance Aerodynamics The new helmet designed by RNOX has good aerodynamics, allowing the rider to experience the lowest wind resistance when using this helmet. Cost-effectiveness RNOX's helmets take into account the safety performance and also minimize the profit of the product 1*helmet