Castrol Fork Oil 20W is a mineral oil-based oil developed for both on-road and off-road applications. It can be used in fork and shock absorber systems. The Fork Oil 20W ensures excellent damping properties over a wide temperature range. Modern high-performance additives prevent wear, corrosion, and foaming. Good shear stability guarantees optimal operating behavior over an extended period. When selecting the viscosity or mixing with other viscosities, please consider any manufacturer specifications.