Ah that was the other body I couldnt think of, from what ive seen their kinda plain looking why I suggested the hpi one. If you still want the info for the center gears let me know and I can dig em up, I did the same thing a while back to mine I was just running a locked 2 speed gear set then opted to get the flux one.
Look forward to seeing it done any estimate to when it will be running?