the esc is good. as for transmission i believe mike is coming out with a g2r slipperential but as of right now the gorillamaxx single speed will do the trick. motor wise a lehner 1940 or 1950 or a neu motor. How big is the track, how many cells do you plan on running lipo would be good for keeping weight down but some tracks do not allow them so you should probably check with the track owner before you decide on batteries. also what kind of budget do you have to work with. all of this will determine what you can do.