The shackle mounts are held on with two 1/2 inch bolts. No different than the stock recovery hooks that are held on with two bolts. The shear strength of a 1/2 inch bolt is in the range of 9000 lbs each, grade 8 bolts would be around 11000 lbs each. So with 18K-22K of holding power you should...
Yeah they were not designed to be bouncing around off the rocks like that, but they will hold up well to light to moderate hits, especially with the steel skid plate installed.
We do offer a steel skid plate for the bottom surface because they are aluminum. But what makes you think they dent easily? You cant imagine the damage that has occured to our steel bumpers during shipping! Even our steel Signature Sliders have arrived with dents in the main tube due to shipping.
We'll use LED light bolts just like all of our bumpers. I dont have an exact weight yet but should be around 65 lbs plus a couple for the mounting brackets.
Took us a while but we finally have our prototype complete and ready for install! Check out our ALL New ALL Steel Destroyer Rear Bumper for the Gladiator! The Armor Lite Rear Bumper (our aluminum version) will hopefully be out early next year. We plan to do the install next week so we will have...