If you want to make careful setup tweaks, the Serpent SER401962 brass wishbone insert provides a 10 gram ballast to the suspension. Built for the Medius X20 '21 MID 1/10 EP platform, this brass insert helps settle the car through fast sections and variable grip conditions.
Adding a small amount of weight at the wishbone can improve how the car transfers load in corners, often resulting in steadier turn-in and improved mid corner grip. The SER401962 uses solid brass for consistent weight and durability under repeated use.
The insert fits Serpent Medius X20 variants and is compatible with SER400037 and SER400038. It installs quickly with standard tools so you can try different ballast options during practice without fuss.
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