Airtronics 94809 Micro High-Performance, Metal Gear, Ball Bearing Digital Servo Torque at 4.8v: 35oz-in (2.5kg-cm) / Torque at 6.0v: 39oz-in (2.8kg-cm) Speed at 4.8v: 0.12sec/60 , Speed at 6.0v: 0.10sec/60 Gear Train: Metal Bushing/Ball Bearing: Single Ball Bearing Motor Type: Standard 3-Pole