And this outmaneuver isnt possible in eb because the companions have the same crappy stamina like cataphracts :\

@Andy

Im quite sure that the Byzantines were at the most times more when the fougth against the arabs. I read that the arab light cavalry defeated the cataphracts of byzantium several times, maybe the outmanveuvered the cataphracts, and thats sure easy because cataphracts will be very fast tired in a desert.