This Digital Servo has a 24tooth spline(c1) with 3 pole motor. Dual ball bearing with plastic gears and a JR style plug. (LXWXH) 32.3 x15 x 28.1mm and weighs in at 22grams. Speed: 4.8v/0.12sec/60deg. 6.0v/0.1sec/60 deg. Torque 4.8v/3.2kg/cm (44 ounce-inches) Torque 6.0v/4kg/cm(55 ounce-inches) Direct factory fit for the Reflex 14B/14T