TERRA-RIDE R2 Advanced Bike Chain Wet Lube High Mileage, Extremely Durable Extremely High Mileage: Strong penetrating components deliver the most durable, antiwear lube to the deep of links that provides long-lasting boundary and hydrodynamic lubrication. Strongly binds onto chain and forms a highly lubricant layer that keeps metal surface from contacting, repels water in harsh cyclocross conditions, resists rust and prolongs the life of chain. Proven high mileage; testified by bike-around-the-world biker: search goordie on facebook! Best for normal to humid conditions. Not recommended for dry-sandy area. Ideal for Professionals: best for on-road, x-road, cyclocross and long-distance riding