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First of all, a linear spring and a progressive spring should not be able to have the "same" rate, merely by virtue that progressive is supposed to have a varying rate throughout its range. If you've noticed, they do not publish a spring rate for Eibachs. This is because there is not ONE. The Eibachs are progressive, meaning at full length they start off at fixed rate, and get progressively stiffer with increased spring compression. In reality (as you indicated) they start off stiff and get even stiffer throughout their range. At a certain point, the coils actually touch one another, creating a dead spot in the spring, which effectively gives greater suspension control, but zero damping at that part of the spring, producing a rougher ride. The further the spring compresses, the greater number of coils become dead, increasing this effect and the roughness of the ride. I understand what you are trying to tell me, Linsen, and I appreciate it... but sometimes there is a difference between THEORY and PRACTICE. I agree that if Eibachs had an initial spring rate equal to that of a linear spring and you didnt drive hard on them, they would be just as comfortable, and would give you some degree of handling improvement, however this is not the case. Better handling, yes, greater comfort, no.
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