Described is a tyre (1) for a self-propelled lawn mower robot comprising an outer annular portion (1a) and an inner annular portion (1b).The outer annular portion (1a) defines a tyre tread (1) and has a cross section, in a radial plane, extending mainly along a direction substantially parallel to an axis of rotation (X) of the tyre (1).The inner annular portion (1b), configured for coupling the tyre (1) to a rim (4), is positioned at a mid-plane of the outer annular portion (1a).Moreover, the inner annular section (1b) has a cross-section, in a radial plane, which extends mainly along a direction substantially perpendicular to the axis of rotation (X) of the tyre (1).
