I can tell you those hugs plates on either side of the swingarm pivot are cosmetic. The swingarm pivots internally on a huge square crossection tube the is between the main fore/aft spars of the swingarm.
When I had my Cal14, I often fantasized about how you could make it look without all the BS covers. Tank covers, Valve cover covers, aforementioned swingarm pivot covers, starter cover, gaposis covers.
I'd love to see a stripped version as well.