Hey guys. Thought I would ad my thoughts.
I have seen these brackets
Shop Nilight 90027B 2PCS LED Light Bar Horizontal Bar Clamp Mounting Kit Fit on 0.75" 1" 1.25" Bull Bars Roof Racks Roll Cages for ATV UTV and Trucks in high quality, support 2 Years Warranty. It is applicable for roof racks roll cages bull bars handlebars on ATV UTVs and trucks. High...
www.nilight.com
These would clamp onto the grab bar allowing mounting of pretty much whatever light you want. Get two for a light bar. My preference would be the stedi micro dual touch.
We’ve taken our popular Micro LED Lights to the next level, adding a dual colour blend between a pure white (5700K) and an inviting warm amber (1500K) at the simple touch of your fingertips. Meaning you can choose between either colour or blend the two to create your own mood. Did we mention the...
www.stedi.com.au
They are dual colour. Dimmable. Can have the master switch in roof switch, then have the lights turning on at the light so you don't have to reach inside every time you want it on.