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Exercise bikes often have punctures when they go out. This often misleads people and believes that exercise bikes are not strong enough. In fact, this is only a probability problem. Because in the same period of time, the exercise bike exercise distance is several times that of ordinary bicycles, so for this reason alone, the probability increases several times. In addition, because the main range of sports cars is in the suburbs, the roads on the outskirts of the city are not as clean as the roads in the city, so there are many foreign objects.
There is also a misunderstanding that many people think that the finer tires are more likely to explode. In actual fact, the finer the tire pressure is, the higher the tire pressure is, the less likely it is to puncture the tire.
The problem of inner tubes generally has four kinds of situations: it is broken from the outside, broken by stones or steps, bursts from inside, and slowly spreads gas.
Precautionary measures for tying the first case:
1. If you have enough gas, be sure to beat the air. If there is a gas pressure gauge, please call the air pressure number near the tire. Without a barometer, feel it with your fingers. In general, a road bike must hit a tire (finger's hand) with his fingers. The mountain bike can still be pinched by knocking down, but pinching it up is very, very hard. The advantages of high tire pressure are obvious. The tires are hard, many sharp stones, broken glass and the like will be bounced off and they will not be able to get in. Greatly reduce the chance of being barred.
2. When parking, take care to inspect the tires to see if there are broken glass, small iron pieces, stones or the like embedded on the tires, clean up in advance. These things may not be punctured for a moment, but riding speed and distance will make them deeper and deeper until they break the inner tube.
3. Riding a bike is to look at the road and avoid suspicious things on the road. In addition, try to walk in the middle of the road as much as possible. Generally, glass and iron sheets are mostly on the roadside.
For the second case, break it down:
The only reason for this is that the tire pressure is not enough, so the tires are too soft and there is not enough support when the hard objects are picked up, causing the inner tube to be squeezed into the rim and smashed in the rim.
Preventive measures are the same as above.
The third kind, burst:
This situation is generally due to the problem of the pad. One is that the mat cannot withstand high pressure, and the inward deformation is too much or even broken, causing the inner tube to burst inwards. The second is that the mat is not well cushioned and has moved, causing the hole in the rim to come in direct contact with the inner tube and burst at high pressure.
The solution is to choose a tire pad that can withstand high pressure. If the pad is narrow and easy to slide, then use a 3M tape or the like to wrap the inside of the rim and cover all the holes. And it can increase the friction of the tire pad and reduce the possibility of sliding.
The fourth, slow gas:
This situation is generally a problem with inner tube quality. Check the air pump before installing the inner tube. The spare tire carried out to go out must also be checked in advance. Especially domestically produced tires, be careful.
Slow vaporization usually occurs at the mouth of the gas nozzle. This is the place to focus on inspection.
In addition to the above, there is a situation where the tires have just been replaced after the tire burst, but leaks are quickly discovered.
There are two possibilities. First, things that puncture the inner tube remain on the tire.
Preventive measures, tires should be carefully checked when the tire, the location of the broken tires should be carefully hand over the inside of the mold, to confirm there is no foreign body.
Another possibility is that the tire spoon smashed the inner tube when the tire was installed. Preventive methods, hard to change tire technology.