The ornamental design for a tyre, as shown and described.
FIG. 1 is a first perspective view of a tyre in accordance with our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a left side elevation view thereof; and,
FIG. 4 is a right side elevation view thereof.
The broken line showing of text and an icon in FIG. 2 is included for the purpose of illustrating portions of the tyre and forms no part of the claimed design.