The A4020's extremely tough metal gear train, class-leading speed, digital precision and incredible 42 oz-in of torque is ideal for 15 to 25 size aircraft. It s...More

The A4020's extremely tough metal gear train, class-leading speed, digital precision and incredible 42 oz-in of torque is ideal for 15 to 25 size aircraft. It s a great choice for 3D models and sailplanes that would benefit from a maintenance free servo and that extra level of crash resistance. Its digital accuracy assures precision holding, starts, and stops will enhance the flight experience.The A4020 is the ultimate combination of lightweight and holding power performance at a great price. The low deadband technology means that you ll enjoy reliable accuracy and precision.Less