High performance hydraulic fluid designed specifically for use in seat posts. The OEM-recommended formulation reduces friction, ensuring fast, quiet action with minimal drag. High viscosity index formulation ensures consistent drop and return speeds under all conditions. Proprietary additive system protects seals, minimizes wear and prevents corrosion, improving performance throughout seat post life.Formulated to reduce friction and dragConsistent fast and quiet actionResists fade to ensure consistent drop and return speedsProtects components and ensures optimal performance throughout seat post lifeOEM-approved and recommended Maxima Racing Oils Serene Hydraulic Fluid Suspension Oil and Lube UPC: 851211008527