The GPM DSP3019 - 1.9mm Silver Damper Spring 30mm Pair is a precision engineered spring set intended for hobbyists focused on measurable handling adjustments. These 30mm springs give repeatable characteristics that support deliberate tuning of preload and ride behaviour.
Install the DSP3019 springs as part of a methodical setup routine: fit springs evenly, check preload symmetry, and make incremental damper oil or valving changes to evaluate handling effects. These springs are suited to tuners who prefer controlled, stepwise setup improvements.