First-timers might prefer the sport models for their lower cost and simplicity, though if you're set on racing you may want some competition features, such as ball bearings and oil shocks. When you choose a car, make sure you understand what it does and does not include. Some kits already come with the motor and a mechanical speed control. Follow the Accessories Required links for the model you choose to see a list of the items you'll need. Simply put, they're the device that gives you command over when and how fast your model moves, and whether it runs in forward or reverse.
Most models designed for newcomers include a mechanical speed control .
Electronic speed controls are more precise, provide smoother control, and allow longer run times and faster speeds. If your model comes with a motor, it's most likely the stock variety. Modified motors require additional current to operate and should be used only with an electronic speed control. You have the car or truck, a motor and a speed control. That covers the equipment that makes an assembled electric model ready to race.