Pair of motor vehicle tyres

A pair of motorcycle tyres, comprising a front tyre and a rear tyre capable of being mounted respectively on a front wheel and a rear wheel of a two-wheeled vehicle, each tyre of the pair having a tread band extending around an axis of rotation and having a tread pattern such as to define overall a void to rubber ratio less than 10%, and locally, in an annular central sub-portion straddling a respective equatorial plane of each tyre of the pair, a void to rubber ratio substantially equal to zero, wherein:

• the tread pattern of the tread band of the front tyre comprises a central annular portion straddling an equatorial plane and two annular shoulder portions disposed on axially opposite sides of the central annular portion;
• the central annular portion has an axial dimension less than 50% of lateral development of the tread band, and comprises at least a pair of first grooves extending substantially longitudinally on opposite sides of the equatorial plane in such a way as to form a concavity directed toward the equatorial plane;
• each shoulder portion has an axial dimension that is less than 35% of the lateral development of the tread band and comprises a plurality of second grooves isolated from the first grooves and extending substantially transversally so as to form an average inclination with the equatorial plane greater than 90°, each second groove consisting of a substantially linear first segment and a substantially linear second segment located axially outwardly of the first segment, wherein the second segment is inclined at a greater angle with respect to the equatorial plane than the first segment;
• the shoulder portion has a plurality of substantially transverse third grooves alternating in a circumferential direction with the second grooves and extending substantially transversally so as to form an average inclination with the equatorial plane greater than 90°, each third groove consisting of a substantially linear first segment and a substantially linear second segment located axially outwardly of the first segment, wherein the second segment is inclined at a smaller angle with respect to the equatorial plane than the first segment;
• and
• the tread pattern of the tread band of the rear tyre comprises a module which is replicated along a direction of circumferential development of the tyre, said module comprising:
• at least one first pair of first grooves inclined in opposite directions with respect to the equatorial plane of the tyre;
• each first groove of the first pair extending along a portion of tread band between the equatorial plane and a respective shoulder comprising an axial extension of at least 30% of the tread band lateral development, and forming an average inclination less than 60° with the equatorial plane;
• and
• at least one second pair of second grooves inclined in opposite directions with respect to the equatorial plane of the tyre,
• wherein each of the first grooves is spaced from the equatorial plane by a first distance and each of the second grooves is spaced from the equatorial plane by a second distance, the first distance being different than the second distance.