1 Kayak / Sold as a pair For use with 878XT Set-To-Go saddle Smooth loading achieved with low friction, felt lined saddle Fits Thule standard and Xsporter load bars, Yakima®, and most factory installed racks Maximum hull conformance and kayak support provided by large surface area saddle (6x more contact area than roller type) Includes one ratcheting tie down, strap and buckle protector (Additional tie down required for safe boat transport) May require the use of Xadapt3 (80 MM bolts) on some factory applications This item will require the use of Xadapt3 (80 MM bolts) on our XSporter (421/422) and Rapid Aero Bars