Easy-adjust Dial System
HIGH -STRENGHT PC SHELL + EPS FOAM
Our road bike helmet takes the inner EPS shock-release system. and the aramid filament to enhance the strength. Integral molding technology and multi-density EPS construction helps to control impact energy
USB RECHARGEABLE BATTERY
Charging the Smart Helmet with the included magnetic USB charging cable is as convenient as it gets. It takes about 1-2 hours to fully charge. The Battery lasts 4-5 hours in mighty mode, 9-10 hours in low mode and over 24 hours in flash mode.
MULTI PURPOSE HELMET
The usability of the Smart Helmet goes way beyond biking. It’s perfectly usable for various activities such as riding, rock climbing, skateboarding, ice skating, sledding, water sports, etc.
EASY TO USE BUT POWERFUL IN ACTION
With the 3 available modes, you have the possibility to turn on different lights and adjust the luminosity. Furthermore, you can push the headlight operating lever forward to adjust the angle and focus of the light: the light gathers. Can be adjusted up and down about 20 degrees.
ADJUSTABLE FIT AND WEAR SAFER
With simple dial adjustable fit system, and up and down adjustment design, our bike helmets for adults provide safety, individualized fit and comfort for both men and women. Head circumference: Medium: 21.21-23.58in
EASY-ADJUST DIAL SYSTEM
Cairbull bike helmet with dial retention system design, There is an adjusting knob at the back of the bike helmet, helping to adjust the head circumference. It is very important for you to get the helmet on the head properly because potential dangers occur easily with small or big size helmet. please measure your head circumference correctly before purchase, This helmet fits head circumferences 21.3-24in.