just any old taillight from a cbr600rr 05-09 i think there's one that's similar, just make sure its LED, wiring was easy
http://www.ebay.com/itm/Smoke-LED-Tail-Light-Brake-Turn-Signals-For-Honda-CBR-1000RR-2004-2005-2006-2007-/121224509255?pt=Motorcycles_Parts_Accessories&fits=Year%3A2005|Model%3ACBR600RR&hash=item1c398b3747&vxp=mtr
for the brackets i just rough estimated some 90deg bends using cardboard, made note of where the holes needed to be and drilled, originally i had it mounted a bit off so it pointed down, after making adjustments i cleaned up the brackets hence the multiple holes in the pics. I also had to cut off the catches on the top of that light that are made to hook the body work on the CBR, they could have been left on but this way, even with a passanger the seat doesnt rest on the light