Wet, dry or in dirt, serious cyclists rely on one product to clean, lubricate and protect—Boeshield T-9 does it all Lubricate your bike chain, waterproof cables, and prevent rust with our effective all-in-one formula Loosens rusty and corroded parts and is safe on paints, any metal surfaces, plastics, and vinyls T-9 flushes out dirt and old lubricants, displaces moisture, and penetrates moving parts Dries to a thin, waxy film that clings to metal for months Developed by the Boeing company for lubrication and protection of aircraft components Great for use in marine, bicycles, automotive, tools, RV's, and aviation