That's the problem Peter (PmP) had with his, and as far as I know, his were replaced no bother too. mine were actually corroding around the centre cap, and on little parts on the spokes.
Just out of interest, which wheels of yours are suffering, front or rear?
What will you do tyre wise when your new ones come in, are you just going to run 2 RFs and 2 non RFs?