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Featuring fully proportional forward and reverse speed control, this servo enables precise movements of robot designs. Unlike other servos that have a limited range of motion, this servo rotates continuously in either direction – as needed for wheels. This high-quality servo is designed with a wide neutral dead band to eliminate the “creep” that occurs in many other continuous rotation servos. Dual ball bearings on the output shaft ensure long-lasting performance. Note: This servo does not have position feedback.

Operating voltage: 6 volts. Stall torque: 42 oz/in.


Redesigned for improved performance, this motor can handle more heat buildup and now has tougher coil protection and a harder steel alloy to prevent gear stripping. Twelve-volt DC motor features 152 rpm and 320 oz-in. of torque. Note: Gear train damage can occur if the motor shaft is stalled while being powered.


  • Take your TETRIX robots to the next level with a stronger 12-volt DC motor with 100 rpm and 700 oz-in. of torque.
  • Designed with a built-in, high-resolution Hall effect encoder for precise motor control
  • Based on user feedback and created specifically to withstand the stress of intense robotics competitions


Keeping spare motors on hand is always a good idea. We’ve made stocking up on these critical elements easy with this bulk pack.


  • 4 twelve-volt DC motors (39530)
  • 4 motor mounts (39089) and motor hubs (39079)
  • Variety of DC motor leads