863309 PS, FORK PROGRESSIVE SPRING KIT Standard height stock replacement. A progressive rate spring has the advantage of a rising rate resistance to compression. The benefit of this is that the spring can be soft at the start of the travel to offer a 'plush' ride, but is firm enough at the end to soak-up the big bumps. 15-17 Scout 863310 PS, PROGRESSIVE FORK LOWERING KIT This kit, when combined with shorter than stock rear shocks, will give you that low, slammed look. Comes complete with progressively wound fork springs, spacers, and instructions. 15-17 Scout 863309 863310 PROGRESSIVE SPRINGS EXPLAINED Progressively wound springs have advantages over straight rate springs. A straight rate spring only offers linear resistance to compression and is always a compromise. For example, if you have a 20lbs. straight rate spring it will take 20lbs. of force to compress the spring one inch. Then it will take another 20 lbs. of force to compress it the next inch, and so on, until the end of the travel. A Progressive Rate Spring has the advantage of a rising rate resistance to compression. For example, a 15lb. to 25lb. Progressive Rate Springs will take 15lbs. to compress it the first inch, then 17lbs. the next inch, and so on, until the end of the travel; it will take an additional 25lbs. to compress it the last inch. The benefit of this is that the spring can be soft enough at the start of the travel to offer a “plush” ride yet be firm enough at the end of the travel to soak up the big bumps. Nitrogen (N2) filled All Progressive Suspension shocks are nitrogen pressurized to help prevent oil foaming and maintain best possible damping characteristics in extreme conditions When Heavy Duty? If you are a lightweight rider with a lightweight passenger, heavy duty shocks will give you a harsh ride. For Big Guys & Gals with a lot of baggage, heavy duty spring are the way to go. Heavy Duty is not better, it's different. Heavy Duty shocks or springs are recommended to be used on motorcycles that are operated at or near the manufacturers maximum load rating over 50% of the time. FORK SPRING & FORK LOWERING KITS 17 INDIAN SCOUT NEW PRODUCTS ADDED WEEKLY AT MOTORCYCLESTOREHOUSE.COM
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