Traxxas 6250 TRX-4M Brushless Power System For Traxxas TRX-M
Traxxas PART #6250. The TRX-4M® Brushless Power System gives you up to 50% more speed, more crawling torque, and greater precision than brushed power systems. The new TRX-4M Brushless Power System gives you the best of both worlds!