Synthetic Petroleum Blend Cartridge Fork Oil by Spectro.

Formulated specifically to service modern inverted cartridge style forks, Spectro's Golden Cartridge Fork Fluid is a semi-synthetic blend of the world’s leading base stocks, including anti-foaming and anti-wear additives. Conditions seals, provides smoother operation, and includes a 'zero stiction' additive package for use in Kayaba, Showa and Marzocchi forks.