Ryker fails the 'at least it's a tandem' test.
As much as I like the Roadster, I think the 'upper frame' (not a roll cage because lawyers) is more important to me. Leaning no help when you're getting T-boned. I envision a pyramidal anti-intrusion bar on the left. Mount from the right side only.
If the rear wheel tracks the outside front wheel, cornering be like this:
