Low profile tyres

Low profile tyres
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Low profile tyres have excellent grip on dry roads but are stiffer than ordinary tyres and therefore provide a firmer ride. These tyres have a greater width ratio to cope with the demands of higher performance vehicles. "Profile" refers to the height of the sidewall compared with the width of the tread, expressed as a percentage. A number of 60 or lower is considered low profile.

Disadvantages are:

  • Much more road noise
  • A stiffer ride, far harder than conventional tyres
  • Less resistance to aquaplaning due to the amount of rubber on the road
  • Price

The key advantages of low profile tyres are:

  • Better handling and grip
  • Far superior traction and braking power compared to ordinary tyres
  • Looks

Ultra-low profile tyres (tyres with a number below 50) generally require a higher inflation pressure than taller profile tyres. This is due to Ultra-low profile tyres having a smaller internal volume and hence in order to carry the same load, these tyres require more pressure. However a problem that arises due to this is that lack of pressure can cause serious damage to tyres and is usually not obvious to the driver as the car still tends to behave normally evne if the tyre is inflated or even flat. Once the tyre has been damaged due to inflation it is usually irreparable.