Muc-Off Biodegradable Motorcycle Chain Cleaner has been specifically formulated to quickly and safely remove dirt, lube and heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free. Now with watermelon fragrance! Rapid grease shedding formula. Water soluble and biodegradable. Suitable for standard O, X and Z-ring chains. Safe on rubber, metal and carbon fiber components. Note: Only contents are biodegradable.