The spherical ended links on ebay are quite sturdy. TAG runs them on the RS with no real problems. They do need to be disassembled and greased/anti seized prior to installation though.
I was meaning before installation. I would figure in maine maybe once a year or so. They do have rubber boots for the joints and I am sure you could pack that with grease to avoid corrosion. They were cheap enough and I think there was a bushing version on there somewhere.
