PitStop 5.1 Dot Hydraulic Brake Fluid 4oz (150ml):

Pit-Stop 5.1 brake fluid is perfectly designed to suit the needs of your Avid hydraulic brake system. DOT 5.1 fluid has a super high boiling point, so it will be a while before you exhaust this fluid. The small 4oz bottle is perfect for home use and helps to ensure that there are no bubbles in the fluid before you begin bleeding.