switch on switch off electrically actuated magnetic uncoupler

The HS-55 set the standard for affordable performance

two rubber O-rings

Features: 540 size can replaces many stock motors

Hitec HS-85MG Premium Metal Gear Micro Servo Wraith Parts switch on switch off electricallyHitec HS 85MG Premium Metal Gear Micro Servo The HS 85MG features a high power motor for greater speed and torque. The HS 85MG is the choice of modelers looking for a high performance servo without breaking the bank. The ball bearing supported output shaft and sturdy gear trains are preferred for smaller glow and electric airplanes, helis and sail planes. Includes: One Servo with Hardware Specifications: Motor Type: 3 Pole Bearing Type: Top Ball