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What is an Asymmetric Tyre?

Published in Tyre Technology 2 mins read

An asymmetric tyre is a type of tyre characterized by an asymmetric tread pattern, meaning the tread design is different on the inner and outer sides of the tyre. This distinct design is engineered to deliver superior performance across a range of driving conditions.

Key Characteristics of Asymmetric Tread Patterns

Unlike symmetric tyres where the tread pattern is identical across the entire width, asymmetric tyres feature varied tread blocks and grooves. This specialized design allows different parts of the tyre to optimize performance for specific tasks, such as cornering stability, water displacement, and grip.

Performance Advantages

The primary benefit of an asymmetric tyre's design is its ability to provide great all-round performance in both wet and dry conditions. This versatility is achieved because:

  • Outer Tread Blocks: Often feature larger tread blocks for enhanced dry grip and handling during cornering.
  • Inner Tread Blocks: Typically have more siping and grooves to efficiently disperse water, reducing the risk of aquaplaning and improving wet traction.

Proper Installation

For an asymmetric tyre to function effectively and provide its intended performance benefits, it must be installed correctly. The general rule is that the larger tread block must always be on the outside edge of the tyre. While asymmetric tyres can be placed on either side of the vehicle, adhering to the "outside" marking (usually indicated on the tyre sidewall) ensures the tyre's design works as intended.