Servo Hitec HS-5475HB Manufacturer Hitec Applications Heli/Airplanes Type Digital Standard Torque 4.8V 61 oz/in (4.4 kg/cm) Torque 6.0V 76 oz/in (5.5 kg/cm) Speed 4.8V 0.23 sec/60 degrees Speed 6.0V 0.18 sec/60 degrees Dimensions 41mm x 38mm x 20mm Weight 39g Bearings Ball Bearing Gear Type Karbonite