High-quality, fully synthetic suspension oil for suspension forks and bicycle shock absorbers. Additives for friction reduction, joint maintenance and unique formulation developed to meet the requirements of front racers.Supplied in color-coded viscosities of 2.5wt, 5wt, 7.5wt, 10wt and 15wt. Viscosities can be mixed to achieve desired function. Recommended by FOX Racing Shox for use in FOX forks and shocks.