Specifications:

• Weight (g): about 310g
• use: men women
• type: ultralight,Ventilate,bright colors
• Type: Integrally-molded Helmet
• type 5: mtb Mountain bike helmet
• type 4: pneumatic Mountain bicycle riding helmet
• type 3: Aerodynamics Helmet
• type 2: Overall molded helmet, harder than ordinary helment
• size: 55-60CM
• Product name: Bicycle speed areo Helmet
• Origin: CN(Origin)
• Model Number: Pneumatic helmets
• Material: EPS
• Features: aero Helmet
• Features 2: Racing Bike Helmet
• Color: white, black, red, pink, black red, fluorescent yellow
• Certification: ce
• Brand Name: CAIRBULL
• Air Vents: 8 - 15
• Age Group: (Adults) Men