HV9767 Titanium Gear High Voltage Cyclic Servo from MKS
The MKS HV9767 Titanium Gear High Voltage Cyclic Servo with aluminum case is recommended for 500 class helicopter cyclic applications. This servo is ideally suited for the Roban 500 series scale RC helicopters.
Features:

Excellent choice for high voltage applications
Incredibly fast, strong and minimal noise
Aluminum body and titanium gears
Dual ball bearing output shaft
Water and dust resistant sealed case allows servo to operate in extreme environments

Perfect size, weight, and torque to control the cyclic on 500 size RC helicopters

Includes:

MKS HV9767 cyclic servo
2 Servo arms
4 Mounts
Set of screws