Expert Hobby Help ~ Repair Service ~ Indoor RC Track
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ECM-2.5 Elect Control Module—engineered for durable, efficient electronics for consistent performance and control. Fits RC builds with quality you can trust.
Traxxas 9785 ECM-2.5 module is the factory replacement speed control unit for TRX-4M micro crawlers. Provides precise throttle modulation and drag brake control with integrated BEC output. Plug-and-play design connects directly to the receiver and motor for reliable power delivery on trail runs.
