A cool product and definitely a secure way to transport your bikes. Thanks for posting.
For us older folks who find it a chore to climb up into the pickup bed while pushing a bike, this scheme is a bit easier:
I took a pair of Thule Sidearm roof racks and bolted them to a PVC pipe base. The base easily slides out of the bed so you can load the bikes from the ground. The frame then slides back into the bed with the bikes loaded. These have been posted here several times and one is my avatar picture:
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For heavier bikes, I use a ramp:
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The rack slides out of the bed and leans against the garage wall when not in use.
Short of a fully enclosed van or trailer, a pickup is the safest, most secure way to transport a bike. Hitch racks are by far the easiest to use but the bikes protrude from the rear of the vehicle and are more subject to damage & theft. In some states, law enforcement is also cracking down on bike racks that obscure the license plate.
There are many truck bed products available, like the nifty one you use. The trick is to find the one that works best for you.