The beauty of a pick-up truck bed is you can haul a lot of stuff by just throwing it in the back. The downside is that it looks like you just threw a bunch of junk in the back. I wanted a bike rack that did a better job of organizing the family bikes.
There are professional bike racks for the bed of a pickup. Usually they are a cross bed bar and hold the bikes by clamping the front forks. Of course the front wheel needs to be removed to do this.
The objectives with this design was to secure the bikes without having to remove the front wheels. I didn't want to have to deal with storing loose wheels and besides, a few of the family bikes do not have quick release hubs.
Note: If you notice in the photos in this step, the bike on the driver's side of the vehicle still has the hitch mount used in the "Tow a Boat with a Bike" Instructable. http://www.instructables.com/id/Tow-a-Boat-with-a-Bike/
Disclaimer: This rack works for a Dodge Ram pick-up with the 6.5' bed and works with the older plastic cleat tie down and the newer metal loop tie-down (2003 - 2008 maybe even earlier). Other trucks may have different hard points.
Step 1: Set-up
The Rear Beam holds the bike upright with Hoop Straps that restrain the rear tire.
The Front Beam and Upper Beam work to stabilize the front tire.
The Front Beam and Upper Beam are tied together with two threaded rod Side Struts