RSP Air Fluid is a special lubricant for lubricating the sliding surfaces and plain bearings of suspension forks and shock absorbers. Applicable to air chambers to lubricate air seals to prevent shock/fork seizure. Reduces friction and protects seals against wear. Due to added additives, Air Fluid is extremely long lasting without the need for replacement, has anti-corrosive properties and its viscosity is not affected by external temperature.