1. How to clean the helmet

1. The first step of cleaning the riding helmet is to prepare some necessities: mild cleaner, soft brush or sponge, and a clean cloth.Please note that the cleaner is best to be mild and non -irritating to avoid using products containing strong chemical ingredients.

2. When cleaning, you can first put the housing of the helmet into the water and soak it, then apply an appropriate amount of detergent on the brush, and gently wash the helmet's housing.Pay special attention to the holes on the helmet, because these places are easy to accumulate dust.After the brushing is finished, rinse the foam with water and wipe it clean with a dry cloth.

3. As for the lining and buckle part of the helmet, their cleaning is equally important.Deduades are directly contacted with our face every day, which is easy to contaminate sweat and bacteria.Therefore, when cleaning, use a brush with a cleaner to carefully brush the sides of the buckle band to ensure that it is completely clean.The inner lining can be removed directly. Wash and clean it with hand. Be careful not to use too much energy to avoid damaging the material.

4. After cleaning, put the helmet in a place where it is ventilated and avoid direct sunlight.Remember that before drying, make sure that the water inside the helmet is completely drained to prevent mold.At the same time, pay attention to avoid heavy object compression or friction when storing the helmet to maintain its original shape and protection performance.

2. How to maintain a Bicycle helmet

1. Avoid high temperature sunlight:Don't take a long timeThe Bicycle helmet is exposed to high temperature or sunlight to prevent damage to the shell and lining.

2. Properly stored:When not in use, place the helmet in a dry, ventilated and cool place, and use a helmet bag or box for protection to avoid direct sunlight and dust erosion.

3. Stay away from chemicals:Avoid hazardous chemicals such as solvents, gasoline or acid cleaners.

4, light and lightly play:Be careful to handle the helmet to avoid falling or impact hard objects to ensure its structural integrity and protection performance.

5. clean after cycling:It is recommended to simply clean the helmet after each cycling to maintain its freshness and hygiene.This can not only extend the service life of the helmet, but also ensure that the helmet can fully play its protective role at the next cycling.

1. What is the principle of color change Cycling glasses

Trimous glasses can change the color of the lens according to the strength of the external light, thereby protecting the eyes from strong light stimulation. Therefore, many friends choose to wear colorful glasses when riding, but many friends do not know the principle of color change Cycling glasses.The working principle is simple:

1. When making color -changing Cycling glasses, the light color material is added to the glass raw material. The lens contains silver (silver chloride, silver bromide) microcrystalline.Electronics, the electrons are captured by silver ions and reacts: colorless silver is decomposed into opaque silver atoms and transparent halogen atoms. The silver atom absorb light to reduce the light transmission rate of the lens, so the color of the glasses changes.

2. Because the halogen in the color changing lens is not lost, the reversible reaction can occur. After the activation of the light disappears, the silver and the halogen are reused to restore the lens to the original transparent colorless or light -colored state.

riding is often outdoors and needs to be stimulated by the sun. Therefore, it is better to wear a pair of discolored Cycling glasses. However, some friends are worried that the color changing Cycling glasses will be harmful to the eyes.Intersection

2. Is riding colorful glasses harmful to the eyes?

The light transmission rate of color -changing Cycling glasses is relatively low. Although it can absorb most of the ultraviolet, infrared rays, and various harmful glare, due to the halogen chemical components contained in the lens, the light transmission rate of the lens is relatively poor. If it is used for a long time, it is used for a long time.It may cause visual fatigue and not suitable for long -term cycling.However, with the advancement of manufacturing technology, the discoloration rate and fading rate of color -changing lenses have greatly improved, and high -quality color -changing Cycling glasses almost have no harm.

In addition, it should be noted that there are some inferior color -changing Cycling glasses unevenly discolored, either slow color change, fast fading, or fast discoloration and slow fading, and some even do not change color at all. This Riding glasses can not be worn for a long time.For effective eye protection, you should pay attention to buying two lenses when you buy.

1. What is the difference between color -changing Cycling glasses and polarizing Cycling glasses

There are many types of Cycling glasses. The mainstream is two types of color -changing Riding glasses and polarizing Cycling glasses. What is the difference between these two Cycling glasses?The difference between Cycling glasses and polarization is mainly:

1. Different principles

Trimous glasses are made by the principle of decomposition of halogen silver. When absorbing ultraviolet rays, silver and silver decomposition, silver atom and ultraviolet rays, the light transmission rate of glasses changes, and the color changes; polarizers are based on the polarization principle of light.When it is made, when the vibration plane of the light is parallel to the polarized shaft, the polarized light filter can make the polarization light through.

2. Different performance colors

The color changing glasses will be darkened when the sun is exposed, and the color will be restored when there is no strong light when entering the room; polarizing glasses generally will not change the color with the sun.

3. Different degrees of blocking light

Discounted glasses can only reduce the intensity of glare, ultraviolet light, and cannot completely block these harmful light; Polarized glasses can completely block the dazzling glare caused by various factors such as scattering, flexion, and reflection.

The above is the main difference between the two Cycling glasses. So which is the best color -changing mirror and polarizing mirror?

2. Choose polarized light or discoloration of Riding glasses

Riding glasses are one of the essential equipment for cycling movements. Some riders think that polarizing Cycling glasses is better, and some riders prefer to change color ride glasses. So is it good for Riding glasses to change color?

Generally speaking, the two types of Cycling glasses have their own benefits. Polarized Riding glasses can filter the UVA and UVCs of the sun, and can filter the water surface and glass reflex light from special angles such as cycling strabismus, which is suitable for the water under the sun.Ride on the road with many cars; and the color -changing Cycling glasses can change with the changes in ultraviolet rays and temperature in the environment, thereby protecting our eyes, but the filtering effect of ultraviolet rays is not as good as polarizing Cycling glasses, and it does not have it.The polarizing function is relatively better.

However, for conditional riders, it is better to prepare a pair of Polarized glasses and a pair of colorful glasses. You can also buy the ride glasses that can replace the lens and prepare two lenses.

1. What are the constituent structures of riding a helmet?

1. hat shell

That is the hard shell of the outermost layer of the helmet.If an accidental collision occurs, the hat shell is the first line of defense to protect the head for decentralized impact.

2. hat body

That is the inner layer of the foam inside the helmet.It is the second line of defense to protect the head.It is mainly used to absorb the impact in the accident and reduce the damage of the accident.

3. Dipping ring and hat band

Used to fix the position of the helmet.The hat is fixed below the ears on both sides, and the position of the buckle is fixed to the throat.Note that after the buckle ring, the buckle and throat should reserve a space of 1 to 2 fingers. Remember not to be too tight or too loose.

4.

The brim is divided into two types: fixed and adjustable.Generally, there is no brim riding helmet on highway cars.The role of the brim is to avoid foreign bodies flying into the eyes of the riders and at the same time to achieve a certain Shading effect.

5.

The pores are to help the head heat dissipation and ventilation, and can ensure the dry hair in the long -distance cycling.The more pores, the cooler the riders will feel, but the lower the relatively safe factor.Generally, you choose a helmet with an appropriate amount of pores.

6, knob

There is a knob after riding a helmet to adjust the tightness.Rider can adjust the size of the helmet according to their head size.

7. Pad

The pad can absorb the sweat and trace vibration of the human body during cycling.

2. How to choose a bicycle cycling helmet

1. Product type

bicycle cycling helmets can be divided into two types: integrated and non -integrated molding according to the structure.One -piece molding refers to putting well -sucking PC shells and foam materials into the molding machine to form a product at one time. The shell and hat body have better fit and stronger strength to better protect our heads.Non -type molding means that the foam is formed first, and then the PC or PVC suction shell is put on the foam.The strength is relatively weak.But the price is cheaper.

2. Shell texture

cycling helmet shells are usually composed of PC (polyethylene) or PVC (polyvinyl chloride). The integrated helmet made of PC material is durable and cold -resistant.PVC material is not cold -tolerant, and has poor thermal stability and impact resistance. Whether it is rigid or soft PVC, it is easy to produce brittleness, poor use, and the safety factor is not high.Generally, the integration of PCs is better, the texture is better, it feels more real, and there is no gap.

3. End linage texture

It is the part of the inner side of the helmet with the head of the head. It can increase the comfort of wearing, and produce a buffer effect when the head is impacted.The well -handled helmet has a large coverage and better texture, and it is more strong with the inside of the helmet.

The inner lining is generally made of EPS foam, which can be divided into three colors: white, black, and gray. Among them, black and gray materials are imported raw materials.When buying, you can pinch the EPS foam with your hands. If you have a depression, the density is not enough. If the depression is serious, it is best not to buy this helmet.

4. Size

Most of the riding helmets only provide a single size adjustment, so choose the right size.To determine the size of your helmet, you can use a thin rope around the head of the head, and mark it, and then measure the length of the ruler.

5. Safe beam band

The safety beam band is also a critical accessory on the helmet. It is also one of the main accessories of the helmet. The quality of the safety bundle Belt is generally fine and soft, and the feel is very good.Poor safety beam bands are generally rough and hard. This poor safety bundle Belt will be broken at critical moments of danger, or ascension, without elasticity.The safety beam band is tightly attached to the face Skin, so you must try it when you buy it. It is better to be soft, tough, not hurting the Skin, and not allergic.

6. Adjustor

The regulator is used to adjust and fix the helmet, and it is also a critical accessory. The regulator is plastic. Generally, it depends on whether it can resist high or low temperature.It is likely that it is likely that high temperature or low temperature will easily break.

7. Belt ring buckle

Pay attention to whether the fastening method of the band ring buckle is Smooth and stable.So as not to clip or break easily, of course, loosening is also very easy to be fast, avoiding rough and sharp corners to cut the Skin.

8. Product quality

When buying a cycling helmet, you must check whether the selected helmet is labeled by the State Administration of Quality Supervision, Inspection and Quarantine.riding helmets sold in my country must meet the safety standards stipulated by the General Administration of Quality Supervision, Inspection and Quarantine before they can sell to customers, otherwise it is an illegal product.

9, breathability

Breath is the key to the helmet. It can ensure the dryness of the head during long -distance cycling. If the head is in an opaque state for a long time, it will have adverse effects on the scalp.Or the larger, the more the head is exposed, so the degree of protection decreases accordingly.

10. Wind resistance effect

The helmet puts the human hair in the helmet, and it has reduced the wind resistance of the head in itself. For friends who are keen to improve the speed, the impact of riding helmet shape on wind resistance is also worthy of attention.

1. The correct way to ride a helmet

cycling motion is also called a bicycle motion. It is a kind of sport that uses bicycles as a Tool race. As a sport, it is important to do a good job of safety protection.The safety of the head can also reduce the resistance through special design and improve the rider's achievements.However, the Bicycle helmet is not just worn casually. You also have to master the correct method of wear. So how do you wear a cycling helmet?

1. Open the band and sort out other accessories of the riding helmet to facilitate wear.

2. Put the level of the helmet on your head and slowly tighten the bundle until you feel comfortable.

3. Adjust the band below the ears and adjust the position of the band.

4. After the band is adjusted, tighten the band close to the chin and buckle the bundle band buckle ring.

5. After completing the above operations, make sure that the range of the helmet movement does not exceed 1 inch (1 inches = 2.54 cm). At the same time, it is guaranteed that the helmet without loosening the front helmet will not fall off and it means that you can wear it.

2. What are the precautions for wearing Bicycle helmets

1. After the helmet is worn correctly, it should be ensured that the front of the helmet should be a horizontal line above the eyebrow heart. The two sides are close to the temples, and the position of the helmet is not impartial.

2. Most out of control and collision are fell forward, so the helmet's wearing angle should not be too much leaning, the front of the helmet should be pressed to the eyebrows, do not expose the forehead, but too much forward will cover the sight.As a result, the helmet fixed mechanism cannot be well fixed, and it is easy to cause a helmet to move or wear uncomfortable in the bumps.

3. The buckle position also has a direct impact on the comfort of the helmet. The correct position of the "Y" font buckle should be located at about 5-10cm below the ear.Tighterness will affect comfort.

4. After wearing a helmet, you should pull down the loose regulator in the back of the head, so that the regulator can fully wrap the back of the head and then adjust the tightness.Then, the twisting knob allows the headband to give a certain pressure beam and tighten the head. It is better to shake the helmet with both hands without loosening.

5. The tightness of the band of the chin is based on the standard of one finger, and Taisong will not be able to fix the position of the helmet.The helmet needs to be worn correctly to exert its greatest effect.

6. Regardless of whether or not you fall or collide, the cyclist should change the riding helmet every three years.Because even if the helmet has not collided, the sun exposure and sweat erosion can make the safety beam band aging, thereby weakening the surrounding fitting system and damaging the protection performance of the helmet.

3. What are the principle of protection of a helmet

The principle of cycling helmet is to play a protective role by absorbing the impact of collision in the inner layer of the foam. Each cycling helmet hasMaterial orEPP (foam polypropylene) foamIn the inner layer, when the accident occurs, the inner layer of the foam will buffer collision to reduce accident damage.

It should be noted that the cycling helmet made of EPS (foam polystyrene) material, once the EPS bubble is crushed and deformed in the accident, it cannot be recovered and reused.The inner helmet made from EPP (foam polypropylene) foam can be restored to use again after being hit, but the intensity of its absorption impact is far less than the EPS bubble. ThereforeRiding a helmet, after all, safety is the first.