Chamber of Horrow

Under-inflation

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.

Over-inflation

Over-inflation

Over-inflation has resulted in the central tread area being forced into contact with the road causing rapid centre and worn shoulders.

Mis-Alignment

Mis-Alignment

A typical example of the wear pattern caused by front wheel mis-alignment. (Toe-in or toe-out) The edge of the tread is "feathered" and worn progressively from one side. The wear ridges can be felt by drawing a hand across the tread.

Camber wear

Camber wear

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

Illegal/dangerous wear

Illegal/dangerous wear

This tyre has been used well after reaching the legal minimum pattern depth of 1.6mm.

End of life Tyres

End of life

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

Emergency Braking

Emergency Braking

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

Cuts

Cuts

Sharp objects can cause considerable damage rendering a tyre unserviceable.

Impact damage

Impact damage

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