The Fenwicks Foaming Chain Cleaner is a simple, effective, easy way to clean your chain, without any harmful solvents or acids. It’s a foaming degreaser that strips your chain & cassette clean but is both environmentally sound & doesn't affect your bike's paintwork. Foaming Chain Cleaner is a real innovation in bike maintenance. Utilising Fenwick’s cleaning superiority, chain cleaning has never been so easy. This Foaming Chain Cleaner makes chain cleaning part of your bike wash routine, instead of a laborious 2nd job that never gets done.