General description SRAM Shift Lever Reservoir Cap/Bladder Kit is designed for use with Rear Hydraulic Road Disc/Rim Brake (HRD/HRR) systems. Technical specifications Includes 1 Reservoir Cap/Bladder Kit Compatible with SRAM HRD/HRR brake systems Compatibility and accessories Compatible with SRAM Rear Hydraulic Road Disc/Rim Brake systems Includes screws and bleed plug