The perfect combination of the Hydro Glide and Set To Go Saddles in one package. Smooth loading achieved with low friction, felt lined Hydro Glide saddles. Maximum kayak support and hull conformance provided by large, adjustable Set To Go saddles. 6x greater surface area contact than competitor roller style carrier. Easy carrier transfer from vehicle to vehicle with proven universal hardware. Sold as a complete carrier for one boat. Includes one pair ratcheting tie downs, two straps and buckle protectors. May require the use of Xadapt3 80 MM bolts on some factory applications.Please consult your local retailer for further information. This item will require the use of Xadapt3 80 MM bolts on our XSporter 421422 and Rapid Aero Bars.