Racer esc for a cuadplane

Is there any consideration to choice racer type esc for a cuadplane to save some weight?
Like this ones: http://www.hobbyking.com/hobbyking/store/_102404__Turnigy_MultiStar_32bit_30A_Race_Spec_ESC_2_4S_OPTO.html
or http://www.hobbyking.com/hobbyking/store/_108493__Hobbywing_X_Rotor_30A_Micro_2_4S_LiPoly_BLHeli_firmware.html