Originally Posted by
shoota
Alloy nipples are lighter so the ARx is lighter overall but IME they are not worth it. Once they start breaking it's a downhill slide. You'll wind up having the whole wheelset rebuilt with brass nipples anyway.
Ally nipples tend to suck if they're just ally versions of a standard brass nipple. But if they're oversize like Shimano does them, problem solved. Shimano's ally nipples are more reliable than standard brass ones.