A rotor assembly for a wind turbine comprising, - a central hub with a central rotation axis; and - a plurality of blades, each of which is attached to the central hub by its first central end and the longitudinal axis of which extends substantially radially with respect to the central rotation axis up to its second radial end; these blades each comprising: - a spreader which is arranged at the location of an intermediate point situated between the first central end and the second radial end; and - a cable system which cooperates with the blade and the central hub, CHARACTERIZED IN THAT - the central hub comprises at least three first attachment points (16, 17, 19); - the blade comprises at least three corresponding second attachment points (36, 37, 39) at the location of the second radial end; - the spreader comprises at least three corresponding third attachment points (46, 47, 49); - the blade comprises at least three corresponding fourth attachment points (56, 57, 59) at the location of the intermediate point, wherein the distance from the longitudinal axis of the blade to the second and fourth attachment points (36, 37, 39; 56, 57, 59) is smaller than to the first and third attachment points (16, 17, 18; 46, 47, 49); and - the cable system comprising: - a first cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding fourth attachment points (56, 57, 59); and - a second cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding second attachment points (36, 37, 39) via the corresponding third attachment points (46, 47, 49). - a central hub with a central rotation axis; and - a plurality of blades, each of which is attached to the central hub by its first central end and the longitudinal axis of which extends substantially radially with respect to the central rotation axis up to its second radial end; these blades each comprising: - a spreader which is arranged at the location of an intermediate point situated between the first central end and the second radial end; and - a cable system which cooperates with the blade and the central hub, - a spreader which is arranged at the location of an intermediate point situated between the first central end and the second radial end; and - a cable system which cooperates with the blade and the central hub, - the central hub comprises at least three first attachment points (16, 17, 19); - the blade comprises at least three corresponding second attachment points (36, 37, 39) at the location of the second radial end; - the spreader comprises at least three corresponding third attachment points (46, 47, 49); - the blade comprises at least three corresponding fourth attachment points (56, 57, 59) at the location of the intermediate point, wherein the distance from the longitudinal axis of the blade to the second and fourth attachment points (36, 37, 39; 56, 57, 59) is smaller than to the first and third attachment points (16, 17, 18; 46, 47, 49); and - the cable system comprising: - a first cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding fourth attachment points (56, 57, 59); and - a second cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding second attachment points (36, 37, 39) via the corresponding third attachment points (46, 47, 49). - a first cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding fourth attachment points (56, 57, 59); and - a second cable system which comprises at least three corresponding cables which respectively connect the first attachment points (16, 17, 19) to the corresponding second attachment points (36, 37, 39) via the corresponding third attachment points (46, 47, 49).