I have fitted an Acerbis bar to my RD07. It is just perfect because it has the exact same measures as the original one and is far more rigid (and fairly nicer to look at as far as I am concerned).
The only things you can possibly not be too happy with are the fact that the mounting threads for the triple clamp do not fit exactly flush with the standard @ mounts (but I have not noticed any harm from this), and the other thing is the end weights, you will have to do with an universal set that you can get for peanuts at any bike shop.
Hope it helps. I'll try to post some pics of my bar for you to check
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