The invention relates to a support fitting (10) for a windscreen wiper, the said fitting (10) comprising a body with a longitudinal direction of extension (X), the said body comprising first means which are designed to receive a bending vertebra (20) and second means which define an open lower receptacle (13) for receipt of an upper heel for fitting of a wiping blade of the wiper, characterized in that the said second means comprise recesses (52) which facilitate the bending of the said vertebra (20).The invention also relates to a windscreen wiper comprising a fitting (10) of this type. The invention also relates to a wiping system comprising a wiper of this type.