As mentioned above, the Specialized web site says the hubs use loose balls, not cartridge bearings.
Originally Posted by specialized.com
FRONT HUB
Disc hub, loose ball, Hi Lo flange, machined disc side, dual lock nuts w/ 19mm contact, QR
REAR HUB
Disc hub, loose ball, Hi Lo flange, machined disc mount, double-sealed, ground race, dual lock nuts w/ 19mm contact side, QR