liner:

Most of the helmet is made of expanded polystyrene foam liner. By shock, dissipating the impact liner to protect the head. Quite comfortably fit the head liner is damaged or not to confirm the military.

skin:

Most bike helmets are covered with a plastic shell to provide puncture resistance holding a helmet with a crash helmet into the impact (to protect your head and neck). Verify the shell intact in good shape.

ventilation:

Helmet vents can enhance maintain the flow of wind over your head cooler than comfortable to ride in. In general, the more you vent, you will be able coolers.

Strap:

You can easily find your helmet strap system hagogwa get comfortable. The rugged terrain and mountain trails, light, steamed coolers road racing years - also make sure that it matches your riding style. Before you decide to try one of several different systems.

Hair Port:

The helmet is designed to accommodate the straps come color

Matchumreul adjustment

Whatever the size, simple adjustment allows you to customize the fit. Almost every ring of the helmet to fit inside a universal size (one size fits all) and provides an adjustable strap. Sometimes some helmets, including helmets of some children will still offer the choice of a suitable pad to do this.

If you want to adjust the fit before placing the helmet on your head, you will first need to expand the size of the adjustment ring. If the helmet is in place, until you reach the back of your head to achieve a snug fit (or twist the phone, slide the slider) to tighten the ring.

Right: a helmet levels 
 Good fitting helmet is a must, but you should bother tight. It should sit level on (if not tilted back) longer and the front edge of the head than 1 inch above the eyebrows. Forehead should be protected. Slide the front of the helmet from side to side and rear. Adjust the size of the ring (or pad) that helmet fit can be snug when you move noticeably.

Incorrect: helmet tilted back 

Here, the buckle and tighten the chin strap. Close to the rear edge and then push the front edge of the helmet. If the helmet moves significantly in either direction, to strengthen the chin strap and try again. Adjust the straps around both ears to achieve a comfortable fit. The last two chin strap with a buckle, and open your mouth. If you do not press on the forehead like a helmet Repeat tighten. Just do not create too much discomfort to tighten the strap.