The Rhino Racks JB1712 65" Heavy Duty 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 JB1712 65" HD 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 JB172 65" HD 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 65" HD crossbars will be compatible with the width of your truck bed. The Rhino Rack HD bars (pair) are rated for approximately 220 lbs. The included rack components: RLT600 Quick Mount Legs (x4), Quick Mount Heavy Duty Spacer 5mm, Base Mounts and Hardware, Pair of 65" Black HD Bars, and 4 Keyed Locks.
Includes RLT600 Quick Mount Legs (4). 
Includes Quick Mount HD Spacers. 
Includes Track Mounting Hardware.
Includes RB1650B HD Bar 65" (pair).