This 13mm rear shock spring from Serpent is supplied in red and carries a 2lbs stiffness rating. It is supplied as a replacement spring intended for rear shock assemblies and for fine tuning rear suspension response.
To fit, place the spring over the shock shaft or into the spring retainer after removing the top cap per your shock's instructions, then rebuild and check travel and preload before use.
For reliable results, match the spring choice with compatible shock oil and the correct preload setting so lap-to-lap behaviour stays consistent. This item is an RC component for model vehicles and setup testing.
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