Brake Star DOT 4 is a high-performance brake fluid designed for all hydraulic brake systems running on DOT 4 brake fluid. All BikeWorkx brake fluids have undergone extensive testing and development and are suitable for the highest demands such as professional racing. BikeWorkx special formula ensures a very high boiling point, no brake fading and maximum braking power even in changing conditions. Brake fluid for hydraulic brake systems of bikes fulfilling DOT 4 specification