DISC BRAKE CLEANER - Functions: Disc brake cleaner can effectively clean away residual grease and grime from disc brakes. Exclusively designed for use on disc brakes and brake systems, and can maintain the long-term use of brake parts. Contains only environmentally-friendly substances; it contains no CFCs and will not pollute the environment. Disc brake cleaner is safe, reliable, and will not harm rubber or plastic. Evaporates quickly, does not leave any residue, and will not harm aluminum or carbon fiber. - Usage: Spray disc brake cleaner directly on brake discs from a distance of approximately 10~15 cm so that grease and dirt on the disc drip off. - Ingredient: Organic solvent, LPG.