Fenwick's: Fenwick’s Drivetrain Cleaning kit makes short work of grimy chains and cassettes.Kit contents:Foaming Chain Cleaner 500ml, Chain Cleaning Sponge, Gear Cleaning BrushFenwick’s biodegradable Foaming Chain Cleaner is a real innovation in bike maintenance. Utilising Fenwick’s cleaning superiority, chain cleaning has never been so easy. With its simple mess-free application, Foaming Chain Cleaner clings to components, with very little waste as only 5-10ml of product is needed per clean. Foaming Chain Cleaner does not use solvents or acids (citrus) to be effective, resulting in a safe product to use.The Chain Cleaning Sponge scrubs all 4 sides of the chain simultaneously and very thoroughly, without harming the chain in any way, and can be cleaned out with Foaming Chain Cleaner or Concentrated Bike Cleaner after use.The long handled Gear Cleaning Brush permits easy, safe access to all sizes of cassette, derailleurs and chainsets, utilising dual stiffness bristles to improve penetration for quicker cleaning.Box dimensions:168mm wide x 250mm tall x 72mm deep