How to determine whether basketball is good or bad? How can you tell if basketball is good or bad?

The main thing is that the feel is good, if you choose a rubber basketball, use your hands to stick to the ball, move slowly, feel the hardness of the rubber with your hands, if the rubber will follow the manual, then it is too soft, it is not very good; If you choose cowhide, you need to see if the cowhide looks like it sticks on casually (as if it will fall off).

It is recommended that you buy spalding, be sure to go to a regular sporting goods store to buy, and remember to pay attention to check whether you have a "basketball identity card". Each authentic Spalding basketball has an identity card, and there will be a 16-digit anti-counterfeiting password on the scratched surface, which can be verified by going online or mobile phone.

In fact, the most important thing is the feeling when you usually play The new ball often can't be felt After playing for a period of time, you don't slip your hand, and you can feel it when you move it When you buy it, you only recognize the brand More than 200 spalding should be about the same There is no need to buy any leather!

In fact, the quality of basketball can be tested, and the following steps can be used when picking basketballs:

One look: there is no flaw on the surface, and sometimes the brand-name ball bought in the supermarket is talented.

Forty or fifty yuan a piece, often with surface flaws, although it does not affect the use, but it is best for personal use, and it is not appropriate to give it away.

Second smell: good materials have a fragrant leather smell, and bad ones are rubber smells;

Three presses: good balls, the lack of gas can not be pressed, on the contrary, the bad ball is full, one press a pit;

Fourth: Balls that are too light and heavy are not good, but ordinary people can't pick them up, and they must be known by people who play often;

Five bullets: let the ball fall freely from the top of the head, see if the bounce is straight, whether there is an oblique jump, on flat ground, should fall several times and then stop in place instead of rolling away. The height is not on the waist and under the chest.

P.S. The part of the basketball rules about "basketball".

3. The material, size and weight of the ball.

1. The ball is round and is a recognized dark orange;

2. The shell is made of leather, glue or synthetic substance;

3. The circumference shall not be less than meters (cm) and shall not be greater than meters (7 8 cm);

4. The weight shall not be less than 567 grams and shall not be more than 650 grams;

5. After inflation, make the ball fall from the height of meters (measured from the bottom of the ball) to the ground of the court, and the height of the ball shall not be lower than meters, nor higher than 0 meters (measured from the top of the ball);

6. The width of the seam or groove of the spherical surface shall not exceed meters (mm).

A good basketball has a lot of friction on the surface, and such a basketball feels good, on the contrary, a basketball with a smooth surface is not good, and it is easy to get out of the ball.

2.Weigh the weight of the basketball.

A good basketball is a little heavier, but it doesn't feel heavy in your hand; Worse basketballs are lighter, and throwing the ball will feel light. Therefore, when buying, you should choose a heavier basketball.

Before buying a basketball, you should carefully check whether the number on the certificate matches the barcode on the ball, many inferior basketball certificates are forged and do not match the code on the ball, so you should pay special attention.

Question: How to distinguish between a basketball** and a fake?

Look at the stretch. There is also softness and weight.!

It depends on the quality of the line between the skins.

Look at the weight of the basketball, and the specified weight should not deviate too much. Look at the feel of the basketball, it is soft and comfortable to the touch, and see how elastic it is when you shoot the ball. Look at the workmanship of basketball, especially the workmanship of the air nozzle. The best way to buy a basketball is to buy it at a sporting goods store.

The diameter of a standard ball is easy to control. However, the weight can vary slightly depending on the material used. For those who play a lot, you will know whether the ball is light or heavy as soon as you get the ball in your hands.

Because the weight of the ball directly affects the distance of the pitch and the arc of the parabola, I don't need to explain this.

To buy a good basketball, it is necessary to understand the structure of the basketball. Inner tank: that is, the ball gall, which is the heart of the basketball, in the innermost layer of the basketball, made of black rubber; Winding:

Medium and high-end basketballs must be evenly wound on the surface of the inner tank of the ball with a special nylon filament for basketball, forming a protective layer like a cocoon on the ball, but not every kind of basketball adopts this process, many low-grade basketballs are not wrapped with silk, but replaced with gauze; Middle tank: the support structure between the inner tank and the epidermis, made of rubber; Epidermis: rubber, synthetic leather (ultra-fine strong fiber, PU, PVC, etc.) and genuine leather; Ball mouth:

The inflatable "throat" of basketball is very important for air tightness.

Basketballs made in Japan and South Korea are relatively light, generally up to 600g, and basketballs of European and American brands may reach 650g, but the workmanship and quality of basketballs made in Europe and South Korea are not as good as those in Japan and South Korea. Microfiber leather and cowhide will have a relatively good feel, and calfskin has a more delicate feel, but it is very valuable.

Balls that are too light and heavy are not good, but ordinary people can't figure it out, and people who play often have to know it; Five bullets: let the ball fall freely from the top of the head, see if the bounce is straight, whether there is an oblique jump, on flat ground, should fall several times and then stop in place instead of rolling away. The height is not on the waist and under the chest.

The basketball is stable and does not deform, and the weight is moderate. It seems like a simple requirement, but it is not easy to do it well. Basketball lovers sometimes experience this feeling when playing basketball:

Obviously a very correct shooting posture, skillful movements, the moment he shot, he took off his hand, and his hand slipped. Everyone thinks that it is because they are in a hurry or because their fingers are weak, but they ignore the reason for basketball. This is because the basketball is not round or has an uneven center of gravity inside.

When you shoot at medium and long distances, shaking your wrist and pressing your fingers to pluck the ball, the force point and center point of the basketball that are not round and have an uneven center of gravity will deviate at the moment of force. This makes it easy for the basketball to slip out of the hand. Another distinctive feature of this type of ball is that it vibrates when it spins in the air after the shot, similar to a banana ball.

The trajectory in the air, the trajectory of the ball after it hits the basket, and the trajectory of the spinning dribble will all change. That is to say, a good basketball is like a missile from the pitch to the basket, a fixed and beautiful parabola.

The surface is flawless. A good basketball surface will not be flawless. Don't buy a flawed basketball, the smell of the basketball.

Good materials have a fragrant leather smell, and bad materials smell of rubber. Press Basketball. A good basketball can't be pressed on the surface if it doesn't play enough.

On the contrary, the bad basketball gas is full of one press and one pit. Basketball weight. Basketball that is too light or heavy is not good, but it is difficult for ordinary people to feel it.

You have to play a lot to feel it. The fifth point: basketball elasticity.

Let the top of the basketball clump fall vertically above the head to see if the bounce is straight and if there is an oblique jump. Landing should stop in place, not roll away.

I think the first is branding. The best brand in global basketball is Spalding. Now**Spalding** is already very civilian, and you can buy a lot of Spotding's basketballs for 236 yuan. The cheapest price on the Internet is 236. I'm afraid the others are fake.

It is estimated that there will not be much difference in the rest of the country. Of course, there are some other basketballs that are good, but they are all more expensive. There are almost no more professional brands, except for Spalding, the common brands are Locomotive, Nike, Shanghai Lanhua, etc.

However, these brands are far behind Spalding. Now 9 out of 10 basketball enthusiasts use Spalding.

Domestic I think the kind of 75 yuan locomotive you mentioned is OK.

I also use but the counterfeit Spalding is more expensive than the genuine locomotive.

I don't know why.

Counterfeit 160 or more.

Second, texture. Generally speaking, the leather used in a good basketball directly determines what we usually call the feel of play. The texture of a good basketball should be touched, a little sticky and elastic. No slippage.

Third, energy efficiency. A good basketball is played at full capacity. You can see how well it performs by throwing the ball. Generally speaking, if you lift the ball to the back of the meter, if the ball bounces off the ground for the first time and then returns to the meter, it proves that the ball is bouncing well.

Generally speaking, a ball that meets the above three characteristics is considered a good basketball.

And then tell you how to tell the real from the fake Spalding basketball?

1. Scratch off the 16-digit unique certification code on the product certificate, send a mobile phone text message or log in** for certification. (The product certificate with the certification code will be used from August 2004 onwards).

2. Look for the spherical Spalding trademark.

3. Check the overall production process.

4. Check the bounce, circumference, rotation center, ball nozzle process and comprehensive feel, etc.

I'm on basketball.

Criteria for good and bad: 1. Elasticity.

Can't overplay! Moderate on the line 2 feel.

The kind that feels cool to the touch 3 weights.

I think it's the lighter the better (I don't know what everyone thinks, I really think so) 4 friction.

I grabbed the ball with one hand.

It's okay I think the ball friction that can be grabbed by slapping is the best

5. Hard is not hard. In fact, it is also a problem of feel, if the ball hits the finger when dribbling, it hurts, then the ball is a little hard.

6 See if the seams of its skin are rough.

Otherwise, the skin will fall off after a long time!!

Before you buy a ball, you have to know if you're playing on the outfield or that game, like.

Sneakers, different.

The field has different requirements for basketball, usually the outcourt ball is enough within Spalding or Nike200, and most of the outcourt balls are above 200. In basketball, there is a sign of indoor or outdoor, but there is also an outcourt ball that can usually be played in that game.

It's better to buy a basketball or choose a standard, a standard.

size and weight, so that you can exercise your own shooting.

Pay attention to the slip resistance of the ball, the texture can be touched, but the material is unknown, you can ask the clerk whether the ball is sticky ash, if the sticky ash does not slip for a while, usually the ball is sticky ash, so not the more expensive the better.

Buy basketball pay attention to whether it is genuine, usually Spalding and other basketballs ** will not be less than 100, many fake basketballs ** are about 80, it feels good to touch at first, but you really know how miserable it is. So it's better to buy the genuine version, after all, basketball is bought for playing.

In 2004, it began to be used uniformly.

The logo is removed above.

Chinese characters, in line with international products. At.

Clear letterpress printing is added to the logo, and on both sides of the basketball, four protruding three-dimensional dimensions are also added at the intersection of the hey gold ditch.

Trademarks, more convenient for consumers from the print and three-dimensional trademarks.

Characterize the authenticity.

When you buy a Spalding basketball, in the plastic bag, you will find a folded instruction manual, on the back of the instruction manual is a sticker (note: the back of this sticker is black), scratch off the password cover of the sticker, you will see a 16-digit number string, please keep it. This 16-digit string of numbers is unique and there are no duplicate numbers.

Each **spalding Spalding basketball has such a unique 16-digit identification number, which contains the material, model, value, factory date, dealer and other information of the basketball.

You can verify via SMS that the basketball you have purchased is a genuine spalding basketball, or.

Verify that the basketball you have purchased is a genuine Spalding basketball with this Spalding Basketball Verification feature.

Finally, remember to look at the cheering ball eye, remember, too loose is defective, and the life is short, you must not often sit on the ball, it will be deformed.

Distinguishing the quality of basketball is mainly from the following aspects:

1。Liner, of course, you can't cut the basketball to see inside, but you can try its bounce soft and stable by slapping the basketball, and the basketball with a good liner puts the ball on the chest and falls vertically, and the height of each ** is the same.

2。Yarn wrapping, good yarn wrapping can make the bouncing of the basketball textured, the ball flight and rotation are stable and accurate when shooting, and it will make the ball firm and not easy to deform. The judging method is to press the basketball repeatedly with both hands, if it feels solid and rebounds strongly, it proves that the yarn is better.

3。Epidermis, a good epidermis should have the advantages of anti-slip, wear-resistant, sweat-absorbing, etc., and the test of anti-slip can directly feel whether the ball has a feeling of touching your hands. For the abrasion resistance test, you can use your fingernails to scrape the surface of the basketball, if there are obvious scratches, the epidermis is less abrasion resistant.

As for sweat absorption, wipe the surface of the basketball with a damp cloth, if it becomes dry sooner, it proves that sweat absorption is better.

4。Feel, feel this thing is not very easy to say, experts can feel good or bad in the hand, if you don't have experience in this area, please pay more attention to compare the weight of the basketball, and whether the texture is standardized, consistent.

One is to look at the feel of the basketball, and the other is to look at the shape. There is also basketball, which is divided into indoor and outdoor.

The first thing to look at is the skin of the basketball, which is not too hard to the touch, and it is better to be soft. Second, it is to inflate well, don't rush too much, hold the ball with one hand and stretch it flat and the same height as the chest, then bend the arm, keep the height of the big arm parallel to the ground, the basketball will fall naturally, and see if it can reach the elbow when it bounces. The third is to look at the skin of the ball to see if it is glued, and it is best not to buy a basketball with a hard skin sticky.