according to use, there are commuter cap (City cap), cap mountain bike, road vehicle cap, BMX hat, DOWNHILL cap and limit competition with the cap (CHRONO); according to gender, male cap, female cap; by age points, cap with young children (toddler), Children's hats (kid), youth hat (youth), adult cap (adult)

If you already know your head circumference size, depending on size selected; otherwise, with regard to physical wear to the test. Physical wear is recommended, because the size of various manufacturers labeling method, often different. Wear, the alignment above the eyebrows, and then Gently press the hat by hand, 1) test the comfort, look at the top is not immediate, if the head at the top, there are sharp uncomfortable feeling that the head should be selected over the other; after the test size test around to see both sides of the ear near the tightness of the cap edge of the gap, if tolerant of a little finger, too loose; if the hat into the skull, both sides had the pressure is too tight. Side of the test before and after the same methods and requirements with the foregoing. Requirements are not loose not tight, just right.

The identification of each manufacturer is different, depending on the test head shape discrimination, there are A (50cm), E (54cm), J (57cm), M (60cm), O (62cm), respectively. Typically, manufacturers will use the LX (mean O header type) for the adult head, L (refer to M or J) applies to adult men and some women, M (refer to J or E), or part of adult female head youth, S (refer to E or A) applies to young people or children, as well as XS, apply to young children.

with special measurement tool, see Fig. If not, you can use soft feet, along the upper edge of the eyebrows and ears, around the circle, to obtain the approximate size. See reference map.

1) To select comply with regulatory requirements; 2) use of test filter, mountain bike or road bike? 3) Consider the color, usually with your frame; 4) test filter size, such as 3 tips; 5) Consider your budget, usually 10% of the price of the car properly.

To select the appropriate size of the hat, such as 3 steps. Wear a hat, the alignment of the eyebrows, hand soft reduction cap, so that the natural hat head wrap, then put the cap on the locking system. Tightness requirements are: open mouth, feel tight. Lock, the middle of the chin to fall, not fall on the cheek. If you can not adjust the hat band to meet the above requirements, the seller should request the assistance of equipped with the correct order to make the helmet to play a role.

stored in a ventilated and cool place, avoid prolonged direct sun and placed in the high temperature (60 degrees Celsius) in place; clean, use clean tap water on the inner shell of dirt, as the textile liner, if it is removed , will pull down the dry cleaning with Xi Yijing, posted back to use.

The following is recommended that you replace. 1) This hat has been an accident by a hit? So, immediately replaced; 2) regulatory requirements of sub-hat, and immediately replaced; 3) well you can wear it? If you can not quickly replaced; 4) This hat covered with plastic shell it? If not, quickly replaced; 5) you have do not like, and can be replaced.

must meet the regulatory requirements. On this basis, ventilation performance, heat dissipation, light weight, good-looking popular, can be called a good hat.

look at the statistics from the United States, you will know what ye do. Every eight bicycle Knight, one person was in motion, received head injuries; in cycling accidents, fatal accidents, more than 2 / 3 ratio, the brain has been hurt. Accidental death knight to 16 years of age do not wear helmets in male-dominated, usually occurs in the summer evening when the traffic intersection in the city is hit by vehicles. According to the survey research that wearing helmets can prevent head injuries of 88% or more. However, the helmet is to protect the head, face and body as it is not protected, and how to avoid falls hit, the first of the knight is still important.

We recommend that you choose bright colors and high visibility color. Taking into account with, we recommend that you select and frame a considerable color, frame color is the bike with the popular use of color indicators, such as with the law, do not usually fail.