The Serpent 402068 is a lightweight 5 gram ballast created to let hobbyists and racers refine the balance of an X20 chassis. Its compact size makes minor centre of gravity shifts straightforward without complex setup changes.
Adding a small mass alters weight transfer and can enhance grip in specific corners. The 5g weight is ideal for experimenting with front or rear bias to find a better compromise between stability and steering feel.
Mount the weight where it will influence the behaviour you want to tune - forward for more stability, aft for improved turn-in. Record each change and run consistent test conditions to assess the true effect.
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