The Aero Base Stays for flush rails feature a torque indicator knob, designed to prevent over-tightening and protect your vehicle’s flush rails. This ensures a secure and safe installation while maintaining the integrity of your vehicle. With a low-profile design, these stays reduce wind noise, delivering a quieter and more comfortable ride.When purchasing base racks, be sure to pair them with the appropriate crossbars and hooks. Use our online fit guide to find the correct parts for your vehicle (Please click on the button). These Aero Base Stays provide the perfect combination of protection and performance for your adventures.