1.Removal of residues: the inner magnet of the chain cleaner catches all metal particles and residues on the chain during the rotation of the gears. 2.Easy to clean: the continued use of your bike includes the formation and deposit of dirt and residue on the chain. Alistar bicycle chain cleaner guarantees the possibility to thoroughly clean the chain of your bike thanks to the innovative design. By adding the suitable detergent from the opening hole, the chain is degreased and cleaned in its entirety. 3.Quality improvement: the deposit of residues and mechanical particles leads to a reduction in the life of the chain and a deterioration of the quality of the sliding. With regular cleaning, the product ensures a longer life and a smoother ride. 4.Applications: the intuitive disassembling design allows easy and thorough cleaning without disassembling the chain, suitable for a wide range of categories of bicycles, including: city bikes, road bikes, mountain bikes, trekking bikes, BMX, road bikes, bicycles from downhill, etc.