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 buildup 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.