Hopefully these pics work, it's my first time to try to add pics.
I wanted the bikes above the bed rails so I could put coolers, firewood, chairs etc in the bed. I had a popup at the time, so cargo space was needed.
I took the fork mounts like others have used, and bolted them to 2 pieces of angle iron I bought at Home Depot. I have 2 bars going across, the fork mounts are on one, and the back tire on the other. On the ends of the angle iron I put a 6" piece of the angle perpendicular to the long piece, and I put some stick on rubber pads underneath it to protect the truck. I bought some truck box mounting hardware the grabs the underside of the bed rail, and clamps down the rack. I use small bungees to keep the back wheels from bouncing around.
In the pictures, I lowered the cross bars down into the lumber slots in the bed so that my kayaks would fit on top. I've got to make some extensions for the kayak racks to make the bikes fit better.
I'll try to get some better pics of the racks this week.

