Peaty's Loam Foam is a professional-grade bike cleaner that gives dirt on your bike a hard time! It is biodegradable and can be used on all surfaces of your bike - even on brake discs and pads. Simply apply Peaty's Loam Foam to all surfaces, wait 3 to 5 minutes and rinse off. Stubborn or dried-up mud can be washed off using a soft brush.