The usage of embossing and plain welt bicycle tires
First of all, the tires used in different bicycle types are generally different. Road vehicles are mainly used for road riding, and the road conditions are the best. Especially on sunny days, the road surface is dry and there is not much demand for tire drainage, so we see Most of the cases used in this case are slicks
The use of embossing and plain welt of bicycle tires
The advantages of this kind of tire are light, low rolling resistance, good grip under dry road surface, and basically no pattern, so if it has no drainage capacity on rainy days, there is always a layer of water between the tire surface and the ground. The film, when braking, its static friction coefficient with the ground will be greatly reduced, so it is easy to slip. Therefore, in daily commuting, in order to take into account the rainy and slippery ground, the following pattern is often used.
This kind of tire adds a drainage ditch on the front side, and also increases the density of the pattern on the side. When a small amount of accumulated water is encountered, the braking ability of the vehicle does not fall too much. This kind of tire is also called a commuter tire or a travel tire. .
If the road conditions are even worse, in addition to the road surface of the water, occasionally some dirt roads will be taken. This type of tire may be selected at this time.
The use of embossing and plain welt of bicycle tires
Such a casing looks like it is close to a mountain tire, with five projections on the tread, but the height of the projections is small. When the tire is rolled, the shape of the rubber block on the pattern is changed greatly, and the rolling resistance is also larger. Compared with the slick tire, the tire is relatively laborious. However, the advantage is that the drainage is excellent, and the stab resistance is relatively better.
If the road conditions deteriorate further, road bikes are no longer applicable. In the face of relatively flat non-paved roads, the off-road strength is low, and the tires are often used.
The biggest difference between this type of tire and the above type of tire is the width of the tire. The difference in the pattern is not very large. It is a small rubber block used to increase the grip under muddy road conditions. This type of tire is generally suitable for XC or Trail, which is cross country and forest road. This kind of road is mainly uphill and flat road.
But if it is AM or Endure, then the downhill section will account for a larger proportion. When going downhill, the speed of the car is often difficult to control, and due to the slope, the pressure direction of the tire on the ground will not be perpendicular to the slope. When adding multiple dirt roads or deciduous roads on the road surface, the static friction coefficient will be very low, and some pits will be pitted. On the road surface, the vehicle bounces, so the overall braking situation will become very bad. If you have this kind of riding experience, you will know that the brakes are easy to lock at this time, that is, the braking force exceeds the static friction limit, causing the tire to slip friction with the road surface. In this case, the tire alone can not play a very good effect, more by the front fork and rear suspension to reduce the bounce, relying on the frame to change the center of gravity distribution. But at this time, the tires naturally can't stick to the rules, and the change still needs to be changed.
At this time, the above tires will be used. Compared with the tires used for XC, the rubber blocks of the tires are smaller and the protrusions are higher. The grip ability of this type of tire is stronger than that of the XC tire. The reason for the private use is that the ground area becomes smaller and the pressure becomes larger. Therefore, the loose soil on the surface can be removed in the dirt road to make the tire contact more solid. ground. And because the deformation ability of the rubber block is enhanced, the human body pressure can be converted into an effective braking force with respect to a part of the horizontal component of the slope surface, and the principle is like that the two clothes boards are buckled together.
It is said that AM is of course DH and FR. DH can be regarded as the ultimate version of AM. There are many downhills, poor road conditions, difficult braking, and FR is even more powerful. The tires used in these two road conditions are as follows
In fact, the principle is the same, the worse the road conditions, the more the rubber blocks used, the higher the number of rubber blocks.
Therefore, in summary, the pattern of the bicycle tire is closely related to the road conditions used. The better the road condition, the fewer the pattern, which can reduce the rolling resistance and weight, but at the same time lose the drainage. The worse the road conditions, the deeper and rougher the pattern is to improve the grip in complex road conditions.
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