The sram rockshox suspension oil 5wt 1l bottle with a special anti foam anti wear blend viscosity stable base stocks and lubricinol additive conditions seals and prevents fork drag sram rockshox suspension oil 5wt 1l bottle features zero drag racing fork fluid special anti foam anti wear blend viscosity stable base stocks and lubricinol additive conditions seals and prevents fork drag 150 viscosity index is superior to conventional fork oils