Torque (kg-cm) 31.4 (6.0V) / 38.8 (7.4V) / 43 (8.2V)Speed 0.135 s (6.0V) / 0.110 s (7.4V) / 0.098 s (8.2V)Working Voltage 4.8 - 8.4 V DC Volts (2S Lipo un-regulated)Working Frequency 1520µs / 333HzDead Band 0.0007 ms (Default)Bearing 2* Ball BearingGear Metal Alloy GearMotor Japan High Quality Coreless MotorWeight: 74 g (2.64 oz)Dimension:40 x 20 x 38.2 mm