A grab bar comprising a body with open opposite ends and diametrically opposed apertures close to the open ends; and a cap supporting a central leg supporting flexible side legs, each side leg comprising a protrusion at a free extremity thereof and being adapted to flex inwards toward the central leg as the central leg is inserted within the body from the open end thereof until the protrusions engage a respective the apertures in the body and emerge out of the outer surface of the body, and the cap is generally flush with an edge of the open end of the body; and the side legs being adapted to flex inwards toward the central leg as the protrusions are pushed toward the central leg thereby disengaging the protrusions from the apertures in the body and allowing the cap to be pulled out from the open end of the body.