The Finish Line Speed Clean is super fast and super easy way to clean metal. It instantly dissolves and removes grease and grime from disc brake rotors, chains, cogs, and any other part that needs a through cleaning. Finish Line Speed Clean Features Leaves the surface perfectly prepared to allow the best possible performance from your lubrication, by allowing maximum penetration and adhesion Evaporates quickly to leave no residue, and no water rinsing is required Speed Cleans' extremely low surface tension will also displace any moisture from nooks and crannies, making it good to use after a wet ride to take care of your bike The Aerosol is CFC free, and exceeds the Californian Clean Air Resource Board VOC standards