The AEROX Performance RC Mild Spring in Medium Orange is a 4.3 lb/in rate shock spring sold as a pair, designed for a wide range of 1:10 scale off-road buggies and trucks. The mild taper profile is suited to drivers looking for a softer, more compliant suspension feel on lower-traction surfaces. Orange color-coding makes spring rate identification quick and consistent across your shock setup. These are AEROX factory replacement springs with orange tubing included for additional rate identification. Features: 4.3 lb/in spring rate Mild taper profile for compliant suspension response Color-coded orange for easy rate identification Sold as a pair 7/7/26 cs