The Serpent SER401837 shock top nut is built to serve the Medius X20 MID 1/10 EP line. It is a simple but vital part for preserving stable suspension performance during racing or club practice.
This top nut fits the Medius X20 MID carbon 1/10 EP variants (SER400033 and SER400034) and offers a dependable replacement that keeps the original mounting geometry intact.
Hand-thread the nut then secure it firmly without over-tightening to prevent damage. Periodic inspections will catch wear early and help keep suspension behavior consistent.
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