What about this Servo - Lengedary HS-65MG Mighty Feather, best servo for ALIGN Trex 450 or ESKY helis - Metal Gears with Ball Bearing - Very high efficiency Neodymium Magnet Motor Specification - Dimensions : 23.6 x 11.6 x 24mm - Weight : 12.5g - Operating Speed : 0.14sec / 60 degrees(4.8V), 0.11sec / 60 degrees(6.0V) - Output Torque : 1.8kg-cm / 24.99oz-in(4.8V) ; 2.2 kg-cm / 30.55oz-in (6.0V)