Shimano Mineral Oil Disc Brake Fluid - 1 Liter Getting Your Vitamins and Minerals After many miles of riding, the fluid in your hydraulic disc brakes will need to be replaced. Replace your fluid regularly to keep them operating properly. The Shimano Mineral Oil Disc Brake Fluid is designed specifically for Shimano hydraulic disc brakes. Make sure to not use any other fluid in your Shimano brakes. Features Available in a 1-liter container that is perfect for multiple brake bleeds Designed for Shimano hydraulic disc brakes | Shimano | Mineral Oil Disc Brake Fluid - 1 Liter 1 Liter (33. 8 Fl Oz. )