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My '07 Norge had a very weak spring on the back. Guzzi changed that at some point, but I don't know where yours falls in that equation.I did that Hyperpro package to my Norge and it transformed it. I don't recall the particulars any more other than the new front springs were progressive rate and they didn't have it put together as a package. At the time, the price of admission was several hundred dollars more and I considered it very worth it. John Henry