The Serpent SER401870 chassis stiffener strengthens the centre section of the Medius X20 MID 1/10 EP chassis to reduce unwanted flex and sharpen handling. It is a practical upgrade for racers wanting a firmer, more predictable car.
This centre mount stiffener is made for the Serpent Medius X20 Series and fits the X20 MID 1/10 EP kits (SER400033 and SER400034). Installation uses the existing mounting points and does not need major chassis modification, so hobbyists can fit it with standard RC tools.
Adding the SER401870 helps cut mid-chassis flex during fast direction changes and high-speed stretches, which often results in improved cornering precision and steadier feedback through the steering.
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