High rigidity, shock resistant metal gears.Coreless Motor Design for fast speed, high efficiency, and low power consumption.Higher signal resolution for smooth movements.Fast speed with high torque of 9.0kg/cm. High strength composite alloy gears with durable structure characteristics.Aluminum alloy mid case construction for instantaneous heat dissipation, maintaining servo's high efficiency.Supports high voltage 8.4V.Powerful and precise servo suitable for T-Rex 500 CCPM cyclic use.SpecificationStall torque: 6.5kg.cm(6.0V) - 9.0kg.cm(8.4V)Motion speed: 0.085sec/60°(6.0V) - 0.065sec/60°(8.4V)Rating voltage: DC 6.0-8.4VTemperature range: -20°C ~ +60°CDimension: 35.1 x 15.1 x 29mmWeight: 29gAccessories:DS530 Digital Servo x 1Servo Arm x 1DS515/525 Servo Arm Set x 1Socket Button Head Self Tapping Screw x 4(T2.6x12mm)