6250 TRX-4M BRUSHLESSNEW Brushless Power System for ALL TRX 4M Models Field Oriented Control (FOC) for superior low speed torque High power 3350 Kv brushless outrunner motor Brushless ECM compatible with 2s TRX 4M iD LiPo batteries Retains all standard ECM features including Pro Scale lighting controls Integrated 3 channel receiver works with Traxxas TQ and TQi transmitters The TRX 4M Brushless Power System gives you up to 50% more speed and more crawling torque and