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Sprindex - Easily Adjustable Steel Springs for Your Rear Shock.

With the innovative Sprindex coils, you can now easily adjust the suspension of your shock to suit your riding style! At the heart of the patented Sprindex technology is a fiberglass-reinforced indexed adjuster, which allows you to change the coil's spring rate without tools and independently of the spring preload. The Sprindex coils are made of high-quality lightweight steel and are available in different spring stiffnesses for all common shocks.