Make sure you get the correct ones for your frame PF30 is different than BB30,
If it's PF30 wait for these to be in stock here http://www.parleecycles.com/store/
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I think the official campy ones don't go deep enough in the BB. There are miles of threads about the cups moving, you have to special order Loctite and the matching activator at minimum. Not sure about the wheelsmfg ones they are kinda new and I haven't seen any reviews, but 2 more bearing are two more "things" to fail, add extra weight and it just doesn't feel like"right way" to solve this issue.
I bleed campy, and hate to say it but I think getting the hollowgram crank is the "right way" and if you have the $$$ and are ok with the limited life span THM M3 Modular Crank is really were it's at.
Condor's people say the same: campy adapter is too shallow. But I haven't heard of any problems with it.
I don't know what for these additonal bearings in Wheel's adapter are?
Difference in weight (claimed):
Campy - 72 g
Wheels - 48 g + 2x6806 bearings (Enduro ABEC 5 -24,6 g (capacity650), ceramic zerovv/hybrid abec5 -20,2 g) so total: 88,4 - 93,2 g.