How to Reduce Tyre Treadwear


Tyre wear is inevitable, even steel wheels of railroad cars wear out. Car tyres are intentionally made softer than the road surface for the tread to provide the required friction between wheels and the road surface with microroughness. But it leads as well to a separation of rubber particles, i.e. tyre wear. It happens even in case of naturally occurring rolling of a wheel, when no additional forces are applied to contact patch, except for rolling resistance.


Thus, tyre tread wears out in any case, but it lies in our power to reduce it. All it takes is to exclude such additional factors as:

  • Improper operation. Maintaining the tread depth of the new tyre requires regular monitoring.
  • Tyre wear due to driving style. Your tyres can wear out at double speed even if you are no racer.
  • Car malfunctions. The car itself can accelerate tread wear, and an inexperienced driver remains unaware of it for a long time.
  • Treadwear due to tyre damage. The popular belief that bumps are harmful only for tyre sidewalls and have no effect on tread depth is misleading. 

Find out below how to eliminate these factors and reduce tyre wear.


 Tyres should be checked regularly


1. The pressure is the first thing a driver should monitor. Modern radial models with soft sidewalls almost exclude the possibility of visual control, that’s why you’ll have to get a manometer or regularly visit tyre fitting or gas station with tyre inflation system.

Pressure lowered by 0.3–0.5 atm leads to overheating of the tyre, which causes separation of carcass and loss of geometry over time, and as a result, remaining tread parts wear out more rapidly in some places. And there is nothing left to do but to throw the tyres away.

Even if overheating of low-pressure tyre doesn’t occur, its surface can still be damaged. Pressure range different from the recommended one leads to distortion of tread profile and, as a result, uneven wear around the entire circumference. It applies both to low and high pressure, only the area of increased wear varies.

2. Tread height can also be easily controlled using tread wear indicator. First of all, the uniformity of wear is important: both in width and in circumference. If something is wrong, pay attention to the condition of the running gear (see below).

There is no direct correlation between imbalance and wear, but the comfort level and durability of suspension parts can be adversely affected — that’s the reason to check if the balancing weights on the discs are not lost.

3. Finally, the season issue:

  • Tread height of winter tyres decreases intensively in case of driving at a temperature above +8 °C. Besides, in such conditions the compound of winter tyres has a low coefficient of adhesion to asphalt, causing skidding during extreme manoeuvres. This is another reason to choose the right tyres according to the season.
  • Summer tyres are also affected by temperature conditions beyond intended limits: stiffened rubber of summer models is more likely to cause skidding or side slipping at cold temperatures, leading to faster tread wear. Summer tyres can easily wear out prematurely in the warm season as well, as clean and dry asphalt can tempt to drive in an extreme manner with sliding and skidding.


Careful Driving


The increase and decrease in tyre wear depend on the load applied to the tyres during intensive acceleration and braking, even if the driver does not go all the way to the brake squeak. Acceleration is accompanied by an additional load on tread blocks, which lose some of the particles due to asphalt microroughness. 

Turning at high speed is also undesirable. In this case, tread blocks lie on their side, wearing out unevenly and more intensively than usual.

Some drivers do not take into account the state of the road surface when starting away from rest causing slipping of drive wheels. It is the moment of maximum wear and tear, which should be avoided. Sand, stone chips and small gravel on asphalt should be a signal for starting away from rest smoothly and with special care.


Running Gear in a Proper State


If during the next tyre check, tyre wear on the outside is found, contact service station or at least wheel alignment point. This applies primarily to front tyres and rear tyres of cars with fully independent suspension. The tyres may have “predicted” your suspension needs to be repaired.


Tyre Damages


Pits and waves on the road can cause damage to tyre sidewalls. A powerful direct impact will destroy tyre carcass, causing loss of its round shape and appearance of “bald” spots on the tread. Therefore, if you want to reduce tread wear, avoid contact of tyres with rough edges of pits, asphalt waves and curbs.


Only New Tyres


According to the Traffic Rules of Ukraine, the minimum tyre tread height constitutes 1.6 mm (p. 31.4.5) in the “shallowest” place. Formally, the tread depth of winter tyres should be the same, but for effective driving on snow and slush at least 4 mm are recommended.

All attempts at a self-made cutting of the tread to deepen it to the level of much needed 1.6 mm are unacceptable. Such tyres are dangerous as they can cause skidding on turns. Gaps with less depth between tread blocks are intentionally made by tyre designers to increase the rigidity of blocks, which is very important for car handling. Unauthorized soft blocks will undoubtedly “lie down” under a load applied by lateral forces, causing skidding or side slipping of a car.

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