This is the Radient RS-SM125-MG Micro Analog Metal Gear Servo. Ideal for 1/18 scale applications, this servo is only 13 grams in weight and provides a speedy 0.08 s/60° transmit time at 6.0V. Additionally, the servo is water resistant with metal gears and bearings in the top case.
Speed s/60°: @4.8V - 0.09; @6.0V - 0.08
Torque: @4.8V - 23.6 oz/in (1.7 kg/cm); @6.0V - 26.3 oz/in (1.9 kg/cm)
Attributes: Water Resistant
Bearing: Top BB