Technical advice on car tyres

Reading tyre markings

There are lots of information on a tyre sidewall. PNEUS ONLINE will help you understand it.

Load and speed indexes

Speed and load indexes are determined by tyre manufacturers. This section will give you all the information you need to make the right choice.

European tyre label

As from 1 November 2012, new European tyre labelling comes into effect. It is compulsory for all new tyres manufactured from 1 July 2012.

TPMS: Tyre pressure monitoring system

All there is to know about TPMS (tyre pressure monitoring system), which has been mandatory in Europe for all new vehicles sold since November 2014.

Grip guide

Wondering about grip on dry, wet, or snowy roads? Weather conditions have an effect on tyre grip. Read this guide for further details.

Tyre type

Temperature, weather , and the condition of the road all influence tyre choice. There are tyres for all kinds of weather, but do you know which ones to use?

Be prepared for the winter

From the moment when the thermometer drops below 7°C, a tyre's performance is reduced. The purpose of winter tyres is to give your vehicle the best possible grip in cold weather.

U.T.Q.G.

How can you compare tyre life for different tyres? The UTQG allows you to make comparisons using various criteria.

Tips for changing your tyres

You have got a flat or worn out tyre and need to change one or several tyres, refer to this section for guidelines.

Running in and wear

Wear is one of the main reasons why tyres loose their grip. PNEUS-ONLINE teaches you about the risks of worn tyres.
You will also discover methods to even out wear.

Fitting and storage

Mounting, balancing, and geometry are integral aspects of changing your tyres. PNEUS-ONLINE also explains how to store your tyres.

Pressure

The air pressure in your tyres is critical. Do you know why? The risk of overheating and blowout are reduced, fuel economy and grip are improved, etc. Find out the reasons to keep your tyres properly inflated!

Tyre equivalence

You can fit larger tyres. Please, notice that it is strictly regulated. Here are all the possible equivalent dimensions compared to your original tyres.

Porsche tyres

Tyre tests performed by Porsche are very strict in order to obtain an accreditation for each tyre. This accreditation is indicated by a "N" in the tyre specifications.