JRI SHOCKS Replacement Rear Spring Upgrade your Harley touring bike’s suspension with the JRI SHOCKS Replacement Rear Spring, engineered for precision handling, long-distance comfort, and consistent performance. Pro-level pedigree: Developed by JRi—champions across Formula 1, NASCAR, and Superbikes. Optimized for touring: Tuned for heavier Harley models to deliver the best ride and control. Wide adjustability: Pair with JRi shocks for 40-click damping, easy bottom-mounted rebound/compression, and quick preload changes for varying loads. Ride quality: Smooth, stable, and road-hugging feel from custom pistons and valve internals. Built to last: Rebuildable, serviceable, and dyno-matched when paired with JRi shocks. Fitment & Spring Rate Spring rate: 140—ideal for riders 181–250 lb plus cargo. Compatibility: Fits JRi touring shocks in 12", 13", and 14" lengths. Get the confidence, control, and comfort your Harley deserves with a spring designed to match JRi’s championship-winning shock technology.