EcoPower 640T 13g Waterproof Metal Gear Digital Sub Micro Servo Vehicle Make_Nisson also change the start voltage

also change the start voltage and the top end voltage

Auto-Reversing manages polarity mismatches on the reversing track section without manually throwing electrical toggle switches or adding another booster

the ROC 412 delivers more torque and more power on demand

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EcoPower 640T 13g Waterproof Metal Gear Digital Sub Micro Servo Vehicle Make_Nisson also change the start voltageEcoPower 640T 13g Waterproof Metal Gear Digital Sub Micro Servo The Ecopower 640T 13g Waterproof Metal Gear Digital Sub Micro Servo is an incredibly powerful sub micro option developed to provide a more rugged upgrade for the Traxxas TRX 4. Also, when paired with the Samix TRX 4M Brass Servo Mount (SAMTRX4M 4068 Sold Separately), this makes a great upgrade for the Traxxas TRX 4M. But, this servo is a great upgrade for any sub micro servo application!