The stiffness of the springs used in a specific brand and model of adjustable suspension system determines how much the vehicle’s ride height changes under load and influences handling characteristics. This stiffness is typically measured in kilograms per millimeter (kg/mm) or pounds per inch (lb/in). For example, a higher value indicates a stiffer spring, leading to less compression under load and potentially a firmer ride.
Selecting the appropriate stiffness is crucial for achieving the desired balance between comfort and performance. Too soft, and the vehicle may bottom out easily, negatively impacting handling. Too firm, and the ride can become harsh and uncomfortable, reducing traction on uneven surfaces. This adjustability allows drivers to fine-tune their vehicles for specific driving styles or road conditions, whether prioritizing track performance or everyday comfort. Historically, fixed suspension setups limited this adaptability, making adjustable systems a significant advancement in vehicle customization.