MUC-OFF Bike Wash Cleaner 1 Liter (904) Our unique Muc-Off cleaning formula makes life easy. Muc-Off has an incredibly effective cleaning formula that also cares for you bike's delicate finish. It contains no harmful acids, CFC's or solvents and is fully biodegradable. It's completely safe on anodising, paintwork, chrome, carbon fiber, rubber seals, disc brake pads and more. It cuts through dirt, oil and grime quickly and safely leaving your whole bike sparkling clean. Spray on, Rinse Off, its that easy. Try Muc-Off after your next bike ride.