AMain’s huge servo selection includes premium linkage-pullers from E-Flite, EcoPower, Flite Test, Futaba, Hitec, Sanwa, Savox, Tactic and many more. From mini to micro, standard to giant-scale, with all types of torque and speed specs. Select the servo with the ounce-inches (oz.-in.) or kilogram-centimeters (kg-cm) you need to keep your nitro, gas or electric RC helicopter under precision control.