Spring Rate Calculator

Calculate wheel rate from spring rate and motion ratio.

lbs/in
Wheel travel / Spring travel (typically 0.7-1.0)
lbs

Spring Rate Reference

ApplicationFront (lb/in)Rear (lb/in)
Stock Comfort150-250100-200
Street Performance350-500250-400
Track Day500-800400-600
Race800-1200+600-1000+

Natural Frequency Guide

Frequency (Hz)Feel
1.0-1.5Luxury/Comfort
1.5-2.0Street Performance
2.0-2.5Track Day
2.5-3.0+Race