The Serpent 601399 trackrod is supplied as an M5x77 hex-socket link intended for steering linkage duties on a wide range of R/C models. It is offered as a straightforward replacement or a hardy tuning component where that size is specified.
Installation should follow normal R/C procedures: select the correct internal hex driver, confirm proper thread engagement, and check steering geometry after fitting. Observe recommended torque values from your chassis guide and re-inspect alignment to avoid binding or unexpected toe changes.
For setup and fine tuning, this length and format of trackrod is used to define steering throw and toe angles at the hubs, working together with servo settings and suspension tuning to refine handling. Only use in applications that accept an M5x77 trackrod with a hex-socket connection.
A reliable, service-oriented replacement part for setups calling for an M5x77 trackrod, to be fitted with standard R/C tools and verified as part of setup checks.
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