Servo Hitec HS-75BB Manufacturer Hitec Applications Airplanes, Retract Type Analog, 2-position only Torque 4.8V 92 oz/in (6.6 kg/cm) Torque 6.0V 114 oz/in (8.2 kg/cm) Speed 4.8V 1.35 sec/180 degrees Speed 6.0V 1.02 sec/180 degrees Dimensions 44mm x 25mm x 23mm Weight 35g Bearings Ball Bearing Gear Type Metal/Nylon