Fenwick's: Fenwick’s “ready to use” Bike Cleaner comes in the only 1 litre ergonomically designed trigger bottle in the industry. It also has a handy “fill level” indicator embossed on the side so that the Concentrated Bike Cleaner may be added to the correct level for diluting.The Bike Cleaner works by attracting dirt, surrounding it, making it easy to rinse away. It does not use solvents or acids (citrus) to be effective, resulting in a safe product to use. This simple concept works across all types of finishes, be it, matt, carbon or gloss and leaves a clean, contaminate free surface. Fenwick’s Bike Cleaner is biodegradable and safe to use on anodising, carbon, plastics, rubber and painted surfaces.