 This advanced process allows designs elements far beyond what can be accomplished with conventional bladder molding.Unique features such as an all-carbon head tube, compatible with the most precise ZS style press fit headsets, as well the multitude of AeroLogic aerodynamic elements are incorporated without the need of solid, permanent components and unwanted filler materials.The result is higher performance with no weight penalty plus additional benefits of improved strength, impact resistance, and stiffness.