ReveD PC Rear Spring "Medium" for RWD Drift

REVE D PC Rear Spring Medium for RWD Drift (RD-010RM) 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 surfacegrip.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 Medium spring>■ Length (natural length): 32mm■ Number of turns: 9.5■ Shrink tube color ID: Black ◆PC Rear spring matching table <2WAY structure explanation/Introduction of 2WAY structure>◆When using with the contact part between lines facing up / Contact lines UP If you use it with the line-to-line contact part on the upper s