I have both RC Trac bars. the Double shear has a Beefy mount, but the bar is smaller. it's been holding up great. I couldnt complain, bar&mount for $110 is a great deal, but i would not use this bar with huge tires. i do agree, i think it would bend easily with heavy abuse.
The RC Trac bar with a TRE Is also a decent deal, but the TRE they put on it is junk, I upgraded to a MOOG TRE and threw it on my ZJ. It's holding up great!
+1 for RC.. I also really like IRO's setup. Great bang for the buck there too!