The brackets I used were from Amazon: the 1.75-2.00IN size of (Audak 1 Pair Aluminum Mounting Bracket Kit Tube Clamp for 1.625 1.75 1.875 2 Inch Bullbar Roof Rack Roll Cage Horizontal Bar (1.6 to 2 Inch Adjustable).
However, I ended up taking them off as either due to the size of the specific...
-RC nudge bar
-RC amber DRL cube lights
-Rhino rack cross bars
-Matte black Hyper-dip OEM OBX rims
-Matte black Plasti-dip rear and front “BRONCO/BRONCO SPORT”
-Falken tires
Upcoming:
-Aeroskin II
-Possibly more RC lights/light control panel