Circuit specs which support S tires
"SUPER FUNCTION" is a circuit spec kit ideal for use with S tires which offer better grip, and is recognized as a circuit spec model. The main unit offers a 20-step adjustment to enable more detailed attenuation adjustment. Comes standard with a pillow ball in the upper mount. The shell case has aluminum material, which is light weight and coated with electrolyses nickel boron plating. This suspension kit offers a direct drive feel and a light unsprung weight.