Rinse the entire drivetrain with water and then spray Drivetrain Detox onto the chain, cassette, derailleur, and crankset. Allow the cleaner to work for 2 to 3 minutes before using a brush, cloth, or sponge to remove stubborn dirt. After cleaning, rinse the drivetrain with water.Drivetrain Detox can also be used with a chain cleaner tool, or you can soak the chain in the solution. To do this, unscrew the spray head from the bottle and fill the tool or a container with the formula.Tip: For best results, use in combination with the Drivetrain detailing brush.Do not use Drivetrain Detox in direct sunlight or on hot surfaces. Store in a cool, dry place. Test on an inconspicuous area first. Drivetrain Detox is safe to use on all materials such as metal, plastic, carbon, aluminum, steel, titanium, rubber, and seals.