The Savox SH-0265MG Micro Servo is the perfect 450 Helicopter servo. With the metal gears, 2.4kg of torque and a fast 0.075 second operating speed it's perfect as a cyclic or tail rotor servo.
Savox is fast becoming one of the leading brands of high quality, high performance digital servos. Manufacturers of servos for Align and some JR models, Savox digital servos ensure fast, strong and accurate holding power, torque up to a whopping 40+kg, and speeds as fast as 0.045 seconds - there's a servo for all RC applications.