Quick view Add to Cart Hitec HS-75BB Nylon Gear Analog Low Profile Retract Servo HS-75BB $69.95 inc GST With its low profile design, strong torque and precision movement, the HS-75BB is a great choice to move your retract gear in a realistic manner that you need. Note, this is a retract or “bang bang” servo and only travels from one end to the... Compare