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All About Seasonal Tire Changes

2024

Table of contents:

All About Seasonal Tire Changes
All About Seasonal Tire Changes
Anonim

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When to change tires?

A thermometer will remind you that it's time to change shoes. The best time to replace summer tires with winter tires is when the average daily temperature is about +7 degrees. At this time, the likelihood of night frosts and sleet, as well as a sharp cooling with snow, increases. In such conditions, the summer rubber compound works almost at the limit of its grip. Therefore, it is better to change shoes beforehand than risk losing control of the car.

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What is the difference between "arctic" and tires "for a mild winter"?

Wheels for harsh conditions, the so-called Arctic, are in greatest demand throughout Russia. They differ, first of all, with a rubber mixture with a wide temperature range, which is able to maintain tenacity and elasticity in severe frost. All studded models belong to the same category.

Tires for a mild winter are made from a rubber mixture with a lower temperature range, this rubber is noticeably tougher than the "Arctic" mixture. But such a dense rubber abrasion less on clean asphalt, and also provides better dynamics and handling. Therefore, sports winter tires with a high speed index are usually designed specifically for mild winters.

Studded or studless?

Non-studded tires, which are also friction or Velcro, are usually in demand in regions where wet or dry asphalt predominates in winter. Often, they are chosen by residents of large cities, in which roads are regularly cleaned of snow and ice. This rubber is better than studded, behaves on a dry hard surface, as well as in the thaw. It does not destroy the road surface and therefore does not fall under the prohibitions in European countries, which is important for road travelers. And at temperatures below -30 degrees, it can argue in efficiency with studded models, since in such conditions the spikes hardly pierce the ice.

On roads where hard rolled snow or ice predominates, there is practically no alternative to studded tires - this is the most optimal and safest option. Modern studded models have become more careful with asphalt than their recent predecessors. Therefore, even if you spend most of the time in a city with clean roads, but regularly leave the city, spikes will also be preferable.

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Which tread pattern is “correct”?

Despite the external variety of tread patterns (symmetric or asymmetric, directional or non-directional, various shapes of blocks and lamellas), it is sure to contain elements characteristic of winter tires. This is a special kind of edge that gives good adhesion to snow and ice, a developed negative profile - a system of channels and grooves that provides water drainage from the contact spot, interpenetrating elements of the lamella walls and jumpers between the blocks, which make the tread more rigid. However, the tread pattern alone does not guarantee reliable winter behavior. It works with rubber compound and spikes (if any). All these bus elements act as synergists. Therefore, the type of tread cannot be the only selection criterion.

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How to verify the reliability of the spikes?

A significant problem for car owners was the loss of studs during tire operation. The latest Continental technology used in the IceContact 2 model includes a tenon coated with a special adhesive compound that, when cured, like glue, tightly fixes the tenon in the seat and prevents its loss even under extreme dynamic loads.

What tread depth is safe?

If you install winter tires that you have already used in past seasons, make sure that they have a tread depth of at least 4 mm - this is the minimum at which rubber will work efficiently on a winter road. The limit of 1.6 mm specified in the Technical Regulations is in fact unsafe. Such a tire will not cope with aquaplaning during thaws and slush, and will not be able to work effectively in deep snow. Her braking properties are also very limited.

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