Cold and hot tyre pressure: the driver's challenge
On the track, the pressure measured before the start is only a starting point. Temperature, load and pace cause the value to change lap after lap.
Read the guideTYRE ADVICE & GUIDES
The Optimus Pneus guide
Clear, reliable explanations to choose your tyres, understand their markings, maintain their performance and drive with greater peace of mind.
Choose the right tyre
Understand tyre markings
Maintain and drive safely
OPTIMUS PNEUS RESOURCES
Our latest advice
Each article is designed to help you make a more informed decision before purchase and throughout the life of your tyres.
Geometry and parallelism: why incorrect alignment destroys tyres
Wheel alignment, camber, and caster determine the position of the wheels. Incorrect alignment can cause a tyre to wear out very quickly, even if...
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The smart tyre: when the tyre becomes a sensor
Pressure, temperature, load and contact with the road: the smart tyre could become an essential sensor for safety and autonomous vehicles.
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Tyre temperature: why a few degrees can change a race
Why can a few degrees transform a race car? Discover how tyre temperature influences grip, pressure, wear, and strategy on the track.
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Inner or outer wear: what your tyres reveal about your car
Concentrated wear on the inside or outside of a tyre can indicate issues with pressure, alignment, suspension, or usage. Learn to read these signs...
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How to choose your tyres according to your vehicle and its use?
Approved dimensions, climate, journeys and performance: a simple method to select tyres truly suited to your vehicle.
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How to read the dimensions and markings on a tyre?
Learn to decode an inscription like 205/55 R16 91V, as well as markings XL, 3PMSF, M+S, Run Flat and the date of manufacture.
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Summer, winter or all-season tyres: which one to choose?
Climate, mountains, mileage and type of journey: compare the advantages and limitations of summer, winter and all-season tyres.
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Load and velocity indices: how to understand them?
Discover what load and speed ratings mean, why they are essential, and how to avoid incompatible mounting.
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When should you replace your tyres? Signs to watch for
Tread depth, wear indicators, cracks, bulges and uneven wear: the checks that help decide when to replace a tyre.
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