The Muc -Off C3 All Weather Chain Lube is a high-performance synthetic lubricant infused with Boron Nitride additives . The unique water repellent, non-fling formula penetrates deep into the chain link, to create a durable protective coating which guards against corrosion and metal-to-metal contact which reduce s wear resulting in a longer lasting drivetrain . A blend of extreme pressure additives ensures the lube can stand up to even the toughest of rides. Muc -Off's formula provides lubrication for long-distance, on & off-road riding in all conditions.