Adult smart road bike helmet LED cycling helmet with flashing light

Features:
PC+EPS ,In-mold Helmet for cycling .

With LED smart turn signal light,safe riding in the night

Adult average size,L with Rear Adjuster.Head size can be adjusted.
13 vents bring cool air in and flush warm air out, well-ventilated.
Soft removable, washable, antibacterial pads for best wearing comfort.
Rotary internal regulator adjusts the tightness of helmet.

Specifications:
Color: Black,etc
Material: PC+EPS
Vent qty: 13 vents
Head circumference: L(57-63cm)
Accessaries: Lining, Adjuster, Nylon  strap, Chin pad, Quick-release buckle, Strap divider, Removable visor
Item weight: 350g