The secret to the C3 Ceramic Wet Chain Lube is its unique ceramic coating that provides incredible durability and long distance performance on all bicycle chains. The innovative formulation in our chain oil also uses Boron Nitride to ensure ultra low friction for ultimate drive chain efficiency, high performance and durability. The waterproof qualities of Muc-Off C3 Ceramic Wet Chain Lube also means that your drive chain will excel in the harshest of riding conditions.