The Serpent 500897 rod end is an aftermarket replacement designed for dampers that accept 13mm rod ends. Supplied as a +3 offset set of 4 pcs, it is intended to provide a slight increase in rod-end projection for subtle geometry changes.
To install, disassemble the damper as usual, swap the old rod end for the +3 unit and confirm full thread engagement and free movement of the linkage. Standard RC maintenance tools will handle the job; this product is marketed as a model suspension accessory rather than an OEM component.
As part of setup work, the +3 offset changes the effective link length and can be used to fine-tune shock leverage and roll centre. Introduce adjustments incrementally and document the effects on handling.
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