| Diagonal erosion runs at an angle of approx. 45 ° to the direction of rotation. It usually occurs at one point only, but can also occur at several points around the circumference of the tyre. |
| Such erosion wear occurs almost exclusively on the tyres on the non-driven wheels, in particular at the rear left. Diagonal erosion occurs very often on some models, while it poses no problem at all on other models. The effect is intensified by high toe-in values. Toe-in values in the region of the lower tolerance limits of the specified alignment values improve the wear pattern. |
| The most pronounced diagonal erosion is often found in the area where the tyre components are joined. |
| Wheels with toe-in also roll with a tyre slip angle when the vehicle is driven in a straight line. This leads to diagonal strain in the contact area between the tyres and road surface. |
| This wear pattern is intensified when tyre pressure is too low. To avoid such tread wear patterns, the toe-in values of the two rear wheels should be identical and the specified tyre pressures observed. |
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