Originally Posted by
dsbrantjr
Stay away from aluminum nipples; IMO the weight savings are overshadowed by the tendency of the aluminum ones to break or seize.
It is also possible that the spokes are on the short side and are not engaging a sufficient amount of the nipple threads, which is why the heads are breaking off.
Yes they are all seized. Last time one broke (before yesterdays) I brought it to the bike shop, and he said he thought the maybe used locktite or something, but doing some research, I do see this a complaint about the alloy nipples