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Your tyres in everyday use :

Michelin offers you advice and guidance so you can make the best use of your tyres, mile after mile...
               
  Your tyres in everyday use     Learn more about the tyre  
           
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The consequences of tyre conversions

Changing the size of a tyre… is not to be undertaken lightly. You must realize that not only is braking affected, but also engine performance, fuel consumption, transmission / gearing etc. When original equipment tyres are replaced it is necessary, for safety reasons, to adhere as closely as possible to the original outside diameter. The main difference is usually with the section width. A set of low profile tyres with reduced sidewalls, although it may look better, generally results in a harder ride. Consider changing your rim width as well, to retain the optimum driving quality.


The most notable change in your vehicle's steering is a more rapid response and more precise behaviour through bends. Your vehicle will adapt better to changes in surface, because of an increased area of rubber in contact with the ground. For those who are hooked on the thrill of driving, tyre conversions can increase steering response, but will tend towards a harsh ride as more surface irregularities will be felt.

We recommend that you consult a specialist when considering a tyre conversion.

 

  Increased interior
diameter		 Increased
section width		 Increased
rim width
Looks

Road holding

Reaction, steering response, precision

Dry surface grip

Wet surface grip

Resistance to aquaplaning

Comfort and road noise

 

Fuel consumption

 

Resistance to wear