Quote Originally Posted by javcs View Post
I'm not sure that there's rules that are explicitly applicable.

Small armor weighs half as much of Medium armor. Small general equipment weighs one quarter that of Medium sized equipment.
I'm pretty sure this is good evidence that there aren't general rules.
I mean, if it ever came up I'd rule that the magic-item-resizing rules also affected weight and say that Tiny equipment was 1/10th of the default weight or something.