- Attach to the top of System One Truck Rack Leg Kits
- Positioned above the front and rear of the pick-up bed track
- Integrated c-channels are used to attach accessories like ladder stops, tiedown systems, strobe mounts and antenna mounts
- Aluminum construction with stainless steel fasteners
System One c40u Utility Rig Crossmembers attach to the System Leg Kits, are positioned at the front and rear of the pick-up bed. Their 2-1/2" depth gives them a high load carrying capacity. System One Crossmembers have three recessed T-slots - two running parallel on the top surface and one on the bottom surface that runs down the center of the crossmember. The T-slots in the top surface are used to hold Ladder Life Anti-Wear Inserts and Ladder Glide Low Friction Inserts. They are also used to attach accessories like ladder stops, ladder rollers, clamp systems, strobe mounts and antenna mounts. Built-in Load Stops are attached at the top of the legs to help keep materials in place. The entire rear truss of the Utility Rig is easily removed for loading tall or heavy items into you truck bed. System One Work Winches are sold separately (see below).