It looks like the circuits have a vertical mounting point, so that adapter would not be needed.
And it looks like Circuits are the winners. Gonna call Motovation and see if they'll match pj's prices before I order them.
I got a few things from Motovation last time around, and they did me right, but PJ's is $11 cheaper. Motovation will ship for free, not sure about PJ's, I have to sign up before they'll give me shipping quotes.
2007 Honda 919.
Used to be Red, now it's Green. Open for name suggestions.