Muc-Off's water soluble de-greaser quickly and safely eliminates built-up oil, grease and grime on metal, plastic, rubber and seals. Its unique, biodegradable formula means that after use it can be quickly rinsed away with water to leave your greasy bike parts completely clean. Our R&D team put in the hours to make sure the Water Soluble Degreaser works on the toughest of grime including waterproof grease and chain lube residue!