Morgan blue chain cleaner is an active cleanerdegreaser that is suitable for your chain and drivetrain components apply the chain cleaner on your chain front and rear derailleurs and cassette let the cleaner soak in for 5 mins and then rinse of the excess with soapy water then continue to rub with a dry clean cloth then re lubricate your chain and drivetrain parts regular use of this product will prevent the deterioration of the parts which ensures higher performance smoother shifts and a