RC Racing ESC 120A Sensor — high-current sensored speed controller for RC vehicles Key benefits Reliable speed control: Provides precise throttle regulation for consistent acceleration and braking, making your model easier to drive and tune. High current capacity (120A): Handles heavy load and sudden power demands to reduce voltage sag and maintain stable power delivery during aggressive driving or steep climbs. Sensored control: Improves low-speed drivability and throttle smoothness for more predictable performance in technical or racing conditions. Broad compatibility: Designed for 1/8, 1/10, and 1/12 scale cars, crawlers, and boats — suitable as a direct upgrade or replacement in many hobby-grade models. Built for hobby use: An essential RC auto accessory that supports better overall vehicle performance without complex modifications. What it does Acts as the speed controller for your RC vehicle, translating transmitter input into motor power with precise, sensor-assisted control. Manages current flow up to 120 amps to support high-demand maneuvers and maintain consistent motor response. Compatibility and practical attributes Fits common 1/8, 1/10, and 1/12 scale vehicles including on-road, off-road, crawlers, and boats. Sensored operation improves control at low RPMs while still providing strong performance under load. Intended as a direct functional component for hobby RC setups; installation and wiring follow standard ESC practices for the listed vehicle types. Use scenarios Replace a worn or underperforming ESC in a 1/8 scale on-road racer to restore consistent throttle response during competitive runs. Upgrade a 1/10 scale crawler to achieve smoother low-speed control and steady power on technical trails and rock sections. Install in a 1/12 scale RC boat to maintain stable top-end speed and reliable thrust during extended runs or when handling choppy water. Why customers choose this ESC Delivers predictable, sensor-assisted speed control with a high 120A current capacity, making it a dependable choice for a wide range of 1/8–1/12 scale RC applications.