zipp hubs are pretty darn great. any honest wheelbuilder will confess this to be true.
Just want to shut this down right now- as an honest wheelbuilder and someone who maintains all too many zipp hubs they are of poor design and do not stack up to even the most average of hubs available today.
Stock bearings are of poor quality and poorly sealed/ wear out quickly in wet conditions.
Zipp hubs have tiny little bearings that that sell under their branding for a fortune where as enduro bearings the same size are available for very little and are of higher quality.
Zipp hubs have lateral movement under clamping force while in the frame.
Zipp hubs are straight laced on the drive side up till the current gen. of hubs- clearly a bad idea as zipp has corrected it with their newest hub.
Zipp rear hub flanges are known for breaking- common on zipp 101s (To zipps credit almost all of these flange breakages are covered under warranty)
In regards to the topic at hand- Zipp will say that a 11s freehub body will not fit on silver 188 hubs. I have done it with a re-dish and it works fine.
All black 188 hubs are compatible according to zipp with 11s freehub bodies.
2012's shipped with 10s freehub bodies and some 2013's shipped with 11s freehub bodies.