OEM EK4 vs Ek9 Springs Rates

[**Ghost**]

Neone know the difference or whether there is ANY difference at all between EK4/9 SPrings?

[uetecu]

EK9 sussy is firmer and lower than EK4 sussy. About 3/4" lower.

[DOHCVTEC]

EK9: front 4.3kgf/mm rear 4.2 kgf/mm
EK4: front 3.8 rear 2.2

[gelo]

ek9 rear is progressive
2.2~4.2