Avid 5.1 DOT Hydraulic Brake Fluid - 4oz. PitStop 5.1 brake fluid is perfectly designed to suit the needs of Avid hydraulic brake system.DOT-5.1 non-silicone formulated hydraulic brake fluid Designed to maximize the performance of Avid brakes DOT 5.1 has a higher boiling point than DOT 3 and 4 fluids Vacuum sealed Compatible with all SRAM and Avid hydraulic disc brakes