Providing the ultimate combination of torque and speed, the HS-7975HB servo features the Karbonite gear technology that offers four times the strength of nylon with no flex or wear resulting in incredible precision and that “locked in feel”. Featuring our our G2 second generation programmable digital circuit with twice the resolution of our original circuit and added programmable overload protection. The HS-7975HB is an excellent choice for pattern planes and high performance helicopters up to .90 size.