Finish Line Premium Grease made with Teflon Fluoropolymer Formulated with Teflon fluoropolymer, advanced rust or corrosion inhibitors and extreme pressure additives Prevents wear and distortion in headsets, hubs, and bottom brackets - even in brutal downhill racing and Grand Tours Functional thickener totally prevents rust and corrosion (even in saltwater) Polymers prevents washout and water emulsification Withstands higher pressures without sheering Tested, approved, and used by leading bike and bearing manufacturers