Anytime you have a threaded bushing that is of a different material than the rod end, there'll be this potential situation. The carbon fiber strut bars also use a glue (high-strength epoxy?) to install the rod end bushings.
A better solution with aluminum tubing would be to TIG-weld threaded, aluminum bushings in each end, then use with high strength al. rod ends for an all aluminum solution. However, this might increase the cost of the unit.
Sherwood
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