Duratrax Element 1/10 Scale Brushless Combo W/ DTX Motor (3900KV) NOS. The Element 3900kV Brushless System is designed specifically for use with lightweight 1/10 scale 2WD off-road vehicles, including buggies, trucks and short course trucks. The programmable ESC and powerful 4-pole motor mount easily; after installation a simple throttle setup is all you need to […]