Maxima Clean-Up is a heavy duty, emulsion type cleaner designed to thoroughly clean chains without harming rubber O-rings or metal surfaces. Outstanding performance on aluminum. Maxima Clean-Up quickly dissolves and removes hard to clean build up on your chains. Stop robbing horsepower. For best results, use Maxima Clean Up with your routine maintenance. Clean Up's handy aerosol container allows you to spray it on, allow it to set for a minute and then thoroughly rinse it and the dirt away with a hard stream of water. CAUTION: May cause some painted surfaces to discolor. Do Not use on clear plastic or Lexan windshields.