FSPEED helmet is CE Marked,bike helmet is carefully constructed with an all-in-one polycarbonate solid PC shell and high-density shock-absorbing EPS foam, giving it excellent shock absorption and drop resistance, effectively reducing impact forces, Adult bike helmet for men women comes with a detachable sun visor which an be easily and securely removed to keep the sun out of your eyes and prevent rain from getting into your eyes while riding, Cycling helmet is made of lightweight EPS material, weight about 300g will not cause any burden to your head during cycling., Bicycle helmet with LED rear back light includes 3 different lighting modes - steady, slow flashing and fast flashing ,makes your cycling more safer and brighter at night or in the darkness weather., Our road bike helmet designed with adjustable system, up and down adjustment function,an adjusting knob at the back of the adult helmet can increase or decrease the size of the helmet from 51- 62cm which can meet the size requirements of most users., With 21 breathable vents design make the air go through the helmet,increase the speed and keep the head cool during riding,suitable for riding, skiing,scooter and other outdoor activities., Two sizes are available: ,Medium size is 56-58cm, Large size is 58-62cm
