CHAIN & FREEWHEEL CLEANER - Functions: Our Chain & Freewheel Cleaner has been specifically formulated to quickly and safely remove heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free. It’s also biodegradable and safe for metal, plastic, rubber and sticker. - Direction: Spray Chain & Freewheel Cleaner over the entire chain area. Leave for 2-3 minutes before agitating stubborn grease, oil or grime with a brush or cloth. Rinse with fresh, clean water to remove all contaminants. - Ingredient: Sodium Cumenesulfonat, Alcohol Ethoxylate, Tetrasodium etidronate