Serpent SER401853 springs are a practical choice for racers and weekend tuners aiming to refine ride height and balance on the Medius X20 MID 1/10 EP chassis. They are intended for the X20 Series and provide a simple way to alter front and rear suspension feel.
Swap these springs to adjust roll stiffness and turn-in behaviour so your car suits high speed sections or tighter track segments. They let you experiment with front/rear bias without major shock changes.
These springs fit the Medius X20 MID Series suspension and install on the stock shock bodies. Basic tools and a few minutes are enough to change springs, set preload, and check droop for track testing.
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