This 7075 alloy spring set is supplied for LOSI Promoto-MX platforms and provides three linear-rate options to tune rear suspension quickly. Swapping springs lets you alter rate progression without opening shocks or fitting different pistons.
Contains a soft, a medium and a firm spring to help compare handling and rebound characteristics on different surfaces. Supplier geometry data lists coil count and inner diameter consistency so you can match replacements to your shock hardware.
LOS263001
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