UR, GAB & TRD rear ARB : 19mm. UR stiffest & heaviest of all. TRD & GAB same weight, with GAB slightly stiffer than TRD. Depend your liking, TRD allows more flex.
Front TRD & GAB : 27mm.
AE92 aftermarket ARB is really a gem, if found must faster grab it.
i got the bar n the bush oni..still looking for the bracket n the link...hv contact UMW to search for the link...the price is rm217/pc..dat mean 1 set is two pcs...waaaaaaaaaa....all toghter wif bracket n skru n nat..rm500 ++ la....aiya...............................:stupid::stupid::stupid: