So far the VR1 is the one to beat in a Harley engine.
There is another Mobil 1 20W50 UOA recently with low wear metals, but the oil had thickened to a sort of scary level. So did yours, it looks like.
And what with the much lower cost of the VR1, I'd see no reason to run any other oil.
I wouldn't run it 5000 miles, however. There's too much that can happen to an oil in that length of time. Fuel dilution could be an issue, for example. I'd keep changing it at 2500 miles, or not more than 3000.
Great report. Wear metals are extremely low... and the oil held up just fine.
Dan