NSDRC RS500 RS500B High Torque High Voltage Servo Tenacity PRO transmissions were "M" (manual) or

transmissions were "M" (manual) or "H" (hydraulic/automatic)

The combination of full brass wheels

clip-less mounting system integrated into molded inner fenders

5x the speed of the stock motor on 2S LiPo while maintaining smooth low-speed control and climbing ability

NSDRC RS500 RS500B High Torque High Voltage Servo Tenacity PRO transmissions were "M" (manual) orNo Superior Designs RC NSDRC RS500 RS500B High Torque High Voltage Servo No Superior Designs RS500B High Torque Servo. Designed to be stronger, faster, and more durable than almost all other servos in its class! This budget minded performance servo is loaded with high quality and performance features such as hardened stainless steel gears, CNC machined aluminum middle and bottom case, IP66 water resistant design, full conformal coated internals and