13mm Orange Rear Shock Spring 1.9lbs - Serpent 500912  [SER500912]

Overview of Rear Shock Spring

The Serpent 500912 is an orange rear shock spring with a 13mm wire diameter and a 1.9lbs rate, supplied as a straightforward option to modify rear suspension support and rebound. It fits as a direct spring replacement to alter handling without needing new shock bodies or mounting hardware.

Fitting is simple on standard threaded-piston and cup-style rear shock units: take off the shock caps, remove the old spring and lower retainer, slide on the Serpent 500912 spring, and then re-establish preload and rebound settings. Typical RC maintenance tools are all that are required.

From a setup point of view, the 1.9lbs rating increases rear support and tends to speed rebound slightly compared to softer springs, which can change traction and corner balance. Adjust alongside shock oil viscosity and preload, and test carefully to observe changes.