Ventum Tempus - Rival AXSABOUT THE VENTUM TEMPUS RIVAL AXS Tip to tail, the surface of the Tempus has been engineered with airflow in mind. Beginning at the head tube, functional airfoils taper backward the full length of the frame, working together to strategically smooth and direct air as it passes over rider and bike. Combined with its uniquely wide set fork and seat stays that channel clean air around some of the more problematically turbulent areas, the entire bike is