Designed for vehicles with flush mount rails, the Aero Base Stays feature a torque indicator knob to prevent over-tightening, ensuring your flush rails remain protected. The low-profile design minimizes wind resistance, delivering a quieter, smoother ride on every journey.When purchasing base racks, don’t forget to select the appropriate crossbars and hooks. Use our online fit guide to ensure you get the right parts for your vehicle (Please click on the button). These Aero Base Stays provide a secure, easy-to-install solution for your vehicle’s roof storage needs