How did the EB guys address cataphracts in EB anyway?

In MTW cataphracts were done well, they were damned tough but that was traded off in slow speed and quicker fatigue (makes sense with all that armour), so faster but less uber cavalry were still useful. RTW with its limited horse models made any heavy cavalry other than cataphracts obsolete for the side possessing them as they were all the same horse speed.

Did EB add more horse models (i.e. a slower one for cataphracts) or some other means of compensating for the cataphracts massive armour?

Genuinely curious.