SRAM DB4 Disc Brake and Lever - Right, Front or Rear, 2000mm Hose, Post Mount, 4-Piston, Aluminum Lever, DiffusionDB4 is SRAM's answer for riders who want to focus on the ride. The low maintenance Mineral Oil system uses all new lever architecture which features easy adjustment access and ergonomic comfort. The right and left specific stealth lever body design brings the hose parallel to the bar, allowing for an organized cockpit that pairs perfectly with mechanical Eagle Transmission. Consistent heavy duty power is no surprise, as DB4 shares the same proven