The fenwicks foaming chain cleaner is a simple effective easy way to clean your chain without any harmful solvents or acids its a foaming degreaser that strips your chain and cassette clean but is both environmentally sound and doesnt affect your bikes paintwork foaming chain cleaner is a real innovation in bike maintenance utilising fenwicks cleaning superiority chain cleaning has never been so easy this foaming chain cleaner makes chain cleaning part of your bike wash routine inst