Muc-Off 5 Liter Bike Cleaner Muc-Off is an incredible effective cleaning formula that cares for your bikes delicate finish. It cuts through Grease, Grime and Dirt from all areas of your bike. It's biodegradable. It's completely safe on anodising, paintwork, chrome, rubber seals, disc brake pads, leather, carbon fiber, etc. Spray On, Wash Off. Cleaning made easy. Our most effective but gentle cleaning formula ever! It leaves your whole bike with a sparkling luster. Try Muc-Off after your next dirty ride!