This classic pink Bike Cleaner has incredible cleaning power because it contains Nano Technology that breaks down dirt and grime on microscopic levels, while also caring for your bikes delicate finish. Muc-off’s pink cleaner is biodegradable, free from acids, CFCs and solvents, and its alkaline based so you can clean away with a guilt-free conscience. Its safe on all surfaces, and its even disc brake rotor and pad friendly.