MINERAL BRAKE OIL - Suitable for all material based hydraulic disc brake system (SHIMANO & MAGURA). - Do not use on disc brake and the contact point between brake pads and rims. When you need to replace the hydraulic brake in your bicycle, Bicycle Mineral Brake oil is a great choice. This oil provides maximum performance and is designed for bicycle hydraulic brakes, ensuring that your bike will be able to stop safely. The oil must be replaced when discolored or when the brake is not pumping the brake caliper correctly, making sure that your brakes are operating at optimum efficiency. To ensure an easy installation process, a brake bleeding kit will be necessary, and Bicycle Mineral Brake Oil delivers premium results through the installation process. Protect the interior components of your bicycle's hydraulic brakes from the inevitable wear and tear of harsh terrain, with Bicycle Mineral Brake Oil. This all-weather topping up product is specifically designed for bicycle brakes, and when replaced regularly, it adjusts the predictability of your brake system's performance. Recommended for use in all types of hydraulic brakes found in bicycles. Oil must be replaced when discolored or brake is not pumping brake caliper correctly. Installation of this oil requires a brake bleeding kit, which should be purchased separately. Save time and money with Bicycle Mineral Brake Oil, and ensure that your ride is as safe and efficient as possible.