WD-40 Bike Cleaner and Degreaser is a deep penetrating formula that works quickly to remove stubborn grease and grime from drivetrains. Effective foaming action cleans within seconds and wipes away with no rinsing required. It doesn't contain citrus that can damage plastics and bike frame finishes. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.