Progressive suspension fork springs for Harley-Davidson with 41mm fork The kit fits the following models: 49-86 FL, FLH (4-speed) 06-13 FLT/Touring (except trikes) The fork springs have a - 50-80 lbs/inch spring rate These are fork springs with a progressive spring rate of the highest quality. They are precisely wound and made from high quality chrome silicon wire. They offer a smooth ride, but the progressive speed helps prevent bottoming out over large bumps in the road. The harder fork springs ensure more stability and driving safety, and also reduce fork pitching when braking Each kit comes with progressive fork springs and the necessary spacers. We carry many other items from the tuning brand Progressive Suspension, such as various handlebars, footrests, risers, cable kits, lowering k.
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