This set contains the following products: Muc-Off's Bio Drivetrain Cleaner is the complete cleaning solution for your chain. You can spray it directly onto the chain, sprockets, and derailleurs or use Muc-Off's chain cleaning device to achieve a completely clean chain in seconds. Muc-Off's chain brush is shaped to easily clean your chain. Its unique design ensures it won't slip from your hands and comes with durable nylon bristles. The Muc-Off All-Weather Chain Lube is a high-performance synthetic lubricant. Its unique water-repellent, non-greasy formula penetrates deep into the chain link, creating a durable protective layer that offers protection against corrosion and metal-on-metal wear. The ideal set for chain maintenance.