Morgan blue chain cleaner pump applicatorchain cleaner is an active cleanerdegreaser suitable for the chain and drivetrain components application apply the chain cleaner on the chain the front and rear derailleurs let the cleaner soak in for about 5 minutes then rinse off with soapy water then dry and re lubricate the chain and drivetrain parts always re lubricate the chain after cleaning featuresregular application prevents the deterioration of the chain and the drivetrain components