Kyosho XGS016 Big Bore Rear Spring Super Hard (2)

Kyosho XGS016 is a genuine pair of super hard rate rear shock springs for Kyosho's big bore dampers. These are the long L-size springs from the X-Gear program, sorted for matched rates so both rear corners load evenly under power. Super hard sits at the stiff end of Kyosho's rate ladder, and it earns its place on very high-bite surfaces and smooth, groomed tracks: it keeps the rear from squatting under acceleration, cuts chassis roll to a minimum, and makes the car feel sharp and direct through quick transitions.

They install as a direct-fit tuning option on Kyosho 1/10 buggies running big bore rear shocks, covering the Ultima RB5 and RB6 and the Lazer ZX-5 series, dropping in for the kit springs with no modification. Because they share the published XGS rate steps, backing down to hard or medium-hard when grip drops is a straightforward, documented change. Package includes two matched rear springs.