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Knowing When To change your tyres

It is essential that you know when your tyres are becoming dangerous and therefore be able to change them before risking your safety and possibly a large fine. Below is a description of the reasons why and when you should change them.

Mis-Alignment

A typical example of the wear pattern caused by front wheel misalignment, (Toe-in or toe-out). The edge of the tread is "feathered" and worn progressively from one side.

Under Inflation

Under-inflation has caused this tyre to wear on the outer edges of the tread, leaving the central tread area far less worn. The inner-liner can also degrade.

Cuts 

Sharp objects can cause considerable damage rendering a tyre unserviceable.

Over Inflation

Over-inflation has resulted in the central tread area being forced into contact with the road causing rapid or crown wear.

Emergency Braking 

An emergency braking manoeuvre with this tyre has caused the tyre to rapidly wear through the complete casing causing the tyre to deflate.

Illegal Wear

This tyre has been used well after reaching the legal minimum pattern depth of 1.6mm across the central ¾ of the tread, going around the complete circumference of the tyre.

Impact Damage

This is damage caused by an impact to the sidewall. The bulge or "egg" indicates localised casing damage.

Camber Wear 

Excessive wheel camber has caused sloping wear on the outer edge of the tread on one shoulder of this tyre.

End Of Life

This tyre has reached the legal minimum pattern depth of 1.6mm.

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