Muc-Off Biodegradable Chain Cleaner Muc-Off high performance Chain Cleaner is specifically formulated to remove heavy chain grime quickly and safely. Our unique formula breaks down oil, grease and grime leaving the motorcycle chain contaminant free, it can be used on all chain types.Rapid Grease shedding formula Water Soluble and Biodegradable* Suitable for Standard O, X and Z-Ring chains Safe on rubber, metal and carbon fibre components *Only contents are biodegradable.PRODUCT INFORMATION:DANGER: Extremely flammable aerosol. Pressurised container. May burst if heated. Keep out of reach of children