Explore the mystery of tyres with V-shaped tread together

Explore the mystery of tyres with V-shaped tread together-

A journey of a thousand miles begins with a single step, and to travel a thousand miles, a good pair of shoes is essential.

For bicycles, these good shoes are tires. In this article, let’s explore the mystery of tyres with V-shaped tread together.

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    What does the tyre tread pattern do?

    According to some tire information and manuals, the direction of bicycle tire tread pattern mainly affects drainage, resistance to posting force, resistance to microservice factor and other related relationships.

    The relationship between the direct grip of the tread on the tire and the related changes in the expansion force caused is not obvious.

    As a very simple example, just look at some of the tyres used in the World Cup Mountain Grand Prix, which also varied according to the surface.

    To extend this to amateur cycling, when riding on water or dirt roads, for example, tire grooves will fill with water or mud and the tire will work to drain to retain direct grip.

    What exactly does tyres with V-shaped tread mean?

    Most cyclocross tires have grooves for the tyres with V-shaped tread (similar to the Chinese character “人”), while for bikes there are longitudinal grooves that may not be very useful for off-road performance.

    Tyres with V-shaped tread have a one-way slope, as opposed to unilateral asymmetric drainage.

    The part of the tyres with V-shaped tread that touches the ground will be squeezed, and if you analyze a specific shape of the tire surface alone, you will find that they have a certain pattern.

    V-shaped tread

    What is the role of tyres with V-shaped tread?

    The upper part of tyres with V-shaped tread, the specific position of which points in the same direction as wheel rotation, is in contact with the ground and will be squeezed from the “head” first and then finally to the “foot”.

    The head, because it is pointed and bracketed, directs the mud or water in the middle of the road into its lower part in an orderly manner.

    This is similar to the effect of the ripples of a warship’s head breaking through the water and passing around the sides of the ship, or the effect of bypass air on aviation.

    This process continues gradually until the entire tyres with V-shaped tread is squeezed and the excess water and mud in it is discharged to the outside.

    When off the ground, the pressure decreases and returns to its original state. And through the tyres with V-shaped tread slot and the ground to form a pipe from the outside of the slot to suck water, mud, at this time the two separated parts are still in a compressed state.

    It is not in a short period of time and can not fully suck mud or water. When this process goes on gradually, the tyres with V-shaped tread trough will have water, or not too tight mud, and these can be shaken off.

    Therefore, this direction is the typical drainage direction;

    tyre on the muddy road

    If the direction of the lower part of the tyres with V-shaped tread is the same as the direction of wheel rotation.

    Then the contact area and the pressure sequence, including the guiding effect, are moving in the opposite direction.

    In this case, the pressure is clearly shared between the head and becomes an inverted V-shaped tread, and the drainage is clearly moving in the direction of the driver.

    There is a lot of pressure inside the groove of the tyres with V-shaped tread. The faster the speed of the car, the faster the rotation speed of the tire, the faster this compression process, and the greater the pressure formed.

    Bad road surface water or mud, etc., will not be discharged smoothly, resulting in a significant increase in tire surface adhesion, that is, direct contact between the tire and the ground by the accumulation of water or mud insulation layer.

    And if the rider rides too fast, it will lead to this so-called insulation layer using inertia and the role of forward centrifugal force to lift the entire tire, so that the wheels lose friction, which in turn leads to skidding and other accidents.

    In short, reverse installation may have some hidden dangers.

    But for special road conditions, for example, are located on a very thick mud road, so the reverse installation and has a very good friction effect.

    Walk through some of the more difficult lines, riders have encountered this situation, large trucks and other deep mud.

    In this long, very thick mud road, the tire must rely on the tire tread and mud surface contact to catch it, and a single accelerated throttle but deeper and deeper, so enthusiasts on this road trip, do not expect mud and water discharge, but need to rely on the tire tread and mud surface contact and bite to achieve a satisfactory passability effect.

    For the rear wheel of the bike, this reverse installation method obviously has greater advantages.

    Michelin Wilrd Gripper COMP

    The Michelin Wilrd Gripper COMP, for example, is the main focus of this understanding.

    The second mounting method is used for bicycles with very thick and soft soils. For general use, the former is preferable.

    Due to the wide variety of tire patterns and their different roles, this article only describes some of the off-road tires.

    How does the thickness of the tire effect the mountain bike?

    Considering the thickness of the tire, thick tires can increase grip, but at the same time increase resistance and weight.

    Thin tires have less resistance and are smoother on flat roads, but have less grip. Although the same piece shape, different thickness, performance is different.

    Coarse tires (2.5 to 2.20) can play a cushion and grip on hard roads. On soft roads, it can suppress tire wear.

    Weight and resistance will increase, so it is suitable for riders with physical strength. Medium rough tires (2.20 to 2.0) can provide stable riding on the street.

    Typical size of mountain bike tires. Fine tires (2.0~1.9) can reduce road resistance and are suitable for smooth street or road riding to resist road impact.

    Related posts

    SAMEBIKE electric bike blog, where you will find all articles about cycling tips, as well as some reviews and newsletters about e-bikes.



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