Originally Posted by Niles H.

The advantages of ceramic rims may be relevant to consider. Among other things, they allow rim brakes to be used in abrasive (muddy, gritty...) conditions without rapid rim wear. They also tend to be better in wet conditions, with some brake setups at least.

[They do tend to wear out brake pads more quickly, even though the pads are much harder and more resistant to wear than the pads used with non-ceramic rims.]