Spektrum Firma 150A Brushless Smart ESC / 2050Kv Sensorless Motor Combo, SPMXSEMC05. Fast, powerful 32-bit ARM M4 processor. Multiple options for easy programming. Smart ESC Programming Box. SmartLink USB Updating and Programmer application. Automatic LiPo low-voltage cutoff. Comes bundled with Spektrum Firma 2050Kv Brushless Motor. Compact for easy installation in most applications. Ready to install […]