FORK SPRING 0.40KGThe first step to great handling and predictability is selecting proper spring rates. With over 500 Hi Performance Springs to choose from, Race Tech is almost guaranteed to have the spring you need. Sportbikes are generally under sprung for the average rider, causing the bike to be unbalanced and unpredictable. High quality These springs are made from chrome silicon wire High stiffness to mass ratio Shot peened and heat treated for durability These