With the mobbers in rocky terrain I think I ran 7-10 psi in the rear. Maybe even less. But it was slow going and extremely rocky. I never felt the wheel hit. But the rear mobber is a stiff bastard. Even runs ok on pavement like that.
My bro’s red monkey headlight rattles a bit, my yellow one hasn’t popped out yet even after off road runs. I plan to duct tape all around headlight/bucket for my future DV and off-road trips to hold er up