The functional interface between Whispbar systems and your vehicle's naked roof. The SmartFoot™ fitting kit will ensure a tight and aerodynamic fit to your vehicle using a Whispbar flush or through bar. Fitting Kits include vehicle specific clamping mechanisms to ensure a perfect fit that will not harm your vehicle and provides complete security and peace of mind. Moving Whispbar systems from vehicle to vehicle is an easy low cost investment with the SmartFoot™ fitting kits|For fit information visit www.yakima.com