RIM FOR VEHICLE WHEEL

A wheel rim, in particular for a wheel of an agricultural vehicle is disclosed, in which an annular body comprises a central annular portion extending around an axis, two peripheral annular portions for coupling with the beads of a tyre and two intermediate annular portions that connect the two peripheral annular portions to the central annular portion, each intermediate annular portion comprises a tilted wall with an external frustoconical surface that forms an angle α with a plane that is perpendicular to the aforesaid axis, in which α = 50° ± 8°.