The Traxxas 3350R is the perfect upgrade for your brushed Traxxas vehicle. The system installs easily in our Bandit, Stampede, Rustler, and Slash models. Use your stock battery or go with a more powerful 11.1V 3s LiPo battery to unlock the 60+mph potential of your vehicle with this brushless system powerhouse! The Velineon VXL-3s forward/reverse electronic speed control simplifies brushless technology with easy operation that gives you all the control you need for maximum fun. Quickly choose from 3 drive profiles in exactly the same manner as other Traxxas electronic speed controls (such as the XL-5). Profiles include: Sport, Race, and Training Mode.