savox servos

Hi guys. I got a trex 450 pro and im having trouble choosing what cyclic servos to use. At the moment the choice is between the savox sh-0255 mg speed: .13 and torque : 54.2. And the savox sh-0257 mg speed :0.9 and torque : 30.6 . At the moment im not doing any 3d flying but ill be learning to...