Recommended for use with our fork suspension products. Available in a Standard 10wt Type E and Heavy Duty 20wt. Our special blend formula helps provide superior damping and long lasting lubrication along with anti-foaming, anti-rust and anti-corrosion attributes. It also maintains temperature stability, minimizes fluid leakage, resists fading while preserving fork seals. Exceeds all known OEM and Harley-Davidson warranty requirements!