Spray detergent with a studied formulation to remove grease, grease and dirt from all mechanical parts. Particularly suitable for the reconditioning of disc brakes, it cleans all the components eliminating impurities, without leaving grease marks on tablets and discs, reducing wear and preventing the attachment of impurities. Resistant to chemicals, the new degreaser is not subject to the action of atmospheric agents, resistant to water, salt and weak acids.