LIGHTWEIGHT BUMPER BEAM

The invention relates to a lightweight bumper beam, comprising an elongated U-shaped monoblock cross member provided at respective end with an attachment portion for attachment to a body in white of a vehicle. Each attachment portion is provided with two elongated reinforcing means extending between an inner top surface of the elongated U-shaped monoblock cross member and a bracket of said attachment portion. Said elongated reinforcing means being arranged at a distance relative to each other so as to form a space therebetween, and said distance being smallest at an intermediate portion of said two elongated reinforcing means.