The Chain Gang contains everything needed to quickly and easily clean the chain, freewheel cogs, and chainrings Includes the CM-5.3 Cyclone Chain Scrubber, GSC-1 GearClean Brush, and an 8oz bottle of Bio ChainBrite Works on nearly any bike including multi-speed, single-speed, and e-bikes Chain Cleaning Set CG-2.4UPC/EAN/GTIN: 763477001733