Our Classic ORIGINAL chain lube is a liquid plastic and through polymerization forms long-lasting plating on all chain surfaces. - "Riding in" forms an extremely low-friction plating. - Plating bonds to chain; can't be washed off! - Components stay cleaner, last longer, and run quieter. - Extremely durable, outlasts all other chain lubes! - Environmentally sensitive and saves money. - To be applied sparingly unlike many other lubes. Classic Lite and Original Bicycle Chain Lube (BCL) differ only in their concentration. Original BCL is more concentrated for exceptional durability under the most challenging conditions. The two formulas are compatible and may be used interchangeably. We recommend the Original Bicycle Chain Lube for mountain bikes, cyclo-cross, and more extreme conditions. You can confidently use Dumonde Tech's Bicycle Chain Lube on all cables, pivots points, and seals. Safe on plastic, rubber, all seal materials. The product is designed to not harm your components. Eco-friendly and environmentally sensitive, our products are engineered to perform with minimal "carbon footprint" by not washing off in water, to use sparingly, lasts longer between applications, and your drive train lasts longer. Very good performer in the extreme cold conditions..