Mo-Tech Semi Syn Fork Oils are blended using a mineral base with a synthetic additive that provides superior protection against oxidation, wear and corrosion. The Semi Synthetic formula also provides excellent air separation, to ensure reliable operation with no foaming or air entrapment in suspenion components. Special anti-friction additives are blended into the oil to ensure smooth operation while providing protection to piston surfaces, valves and seals. Suitable for upside down, cartridge and standard forks