Spoke for a bicycle wheel, bicycle wheel comprising such a spoke and method for manufacturing such a spoke

A spoke (10) for a bicycle wheel is described, comprising an elongated body (20) of metallic material extending along a longitudinal axis X-X and having a first end portion (30) for the attachment to a hub (100) of a bicycle wheel, a second end portion (40) for the attachment to a rim of a bicycle wheel and an intermediate portion (50) having a portion (60) which is flattened in a transversal direction Z perpendicular to said longitudinal axis X-X and extending along said longitudinal axis X-X up to said first end portion (30). The first end portion (30) of the spoke is also flattened in the transversal direction Z and is gradually joined to the flattened portion (60) of said intermediate portion (50) along said longitudinal axis X-X.