The Rhino Racks 71" Vortex Roof Rack System is the ideal solution for carrying kayaks, canoes, paddles boards, surfboards, cargo baskets, cargo boxes, and some trade/commercial accessories, while offering a stylish sporty look that'll complement your pickup truck. The Rhino-Rack 71" Vortex Bar Roof Rack system is compatible with Rhino Rack tracks, Thule tracks, and Yakima tracks, which all can be installed on fiberglass truck caps and hard top tonneau covers. In addition, to the tracks just mentioned the 71" Vortex Bar Roof Rack System will fit the Retrax's PRO XR and Retrax One XR Trax Rail System. Note: If you using on a Retrax Tonneau Cover please measure the width of your bed to determine if the 71" Vortex crossbars will be compatible with the width of your truck bed. The Rhino Rack Vortex bars (pair) are rated for approximately 165 lbs. The included rack components: RLT600 Quick Mount Legs (x4), Base Mounts and Hardware, Pair of 71" Vortex Black Bars, and 4 Keyed Locks.
Includes RLT600 Quick Mount Legs (4). 
Includes Track Mounting Hardwware.
Includes Vortex Bar 71" (pair).