Avid pitstop 51 dot hydraulic brake fluidavids pitstop 51 dot hydraulic brake fluid is perfect for use on high end avid brakes that will be taking lots of abuse and that are required to provide extended periods of hard braking the high boiling point means that you have consistent braking for longer and more ride time between bleeds the bottle even comes vacuum sealed ensuring that there are no bubbles in the fluid before you begin your bleed features dot 51 non silicone formulated hydrau