Hard-wearing brush designed for super-fast cleaning of chains and other bike components. Double ended design with specific chain cleaner at one end and longer bristle brush at the other. Longer brush can be used to clean derailleurs jockey wheels chainsets between cassette sprockets etc. Clean prior to lubing for assured smooth operation of your drivetrain. Dip brush into degreaser before use for maximum cleaning potential. Includes 4 oz bottle of EcoTech 2 cleaner and degreaser.