HPX R 5 is an advanced front fork oil. The product is composed of special, highly refined synthetic base oils. The addition of the most advanced additives HPX R 5 a high-tech product for use at Grand Prix level. HPX R 5 fork oil prevents corrosion, oxidation, leaking seal rings and foaming. It is especially suitable for Grand Prix bikes which have to perform in cross enduro, trail, road and Off Road.