Morgan Blue Chain Cleaner
Chain Cleaner is an active cleaner/degreaser suitable for the chain and drivetrain components.
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.)