REVED RD-010RH PC Rear Spring (Progression type, Hard, 2 pieces)

This is a dual progression rear spring, specialized for road surfaces with comparatively low grip such as P tiles and painted concrete!

We did a lot of research selecting the material, steel quenching temperature and quenching time with many results to compare. Giving us a lineup of three types of rear spring (Medium, Medium Hard, Hard) that can be selected according to the vehicle weight and road surface grip.
With the 2-way structure, the springs can be flipped up and down to instantly adjust to the circuit track conditions. (Please refer the following explanation for details)

<Main specifications of Hard spring>
■ Length (natural length): 32mm
■ Number of turns: 9.5
■ Shrink tube color ID : Red