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fp springs

  1. M-5300-W FP spring rates

    We measured the rates of the M-5300-W kit. You can see from the plot that the fronts are linear 250-260#. Rears are effectively 565# for travel 1 through 2 ". Increasing to 735# for 2-3". Our tester doesn't go past 2.5" stroke but the spring does. Looking at the somewhat asymptotic curve, it...





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