SRAM Apex 1 x 12 Mechanical Hydraulic Disc Brake SetSRAM Apex 1 x 12 Mechanical Hydraulic Disc Brake Set The Apex shift brake lever features our tried and true hydraulic braking platform, now supercharged to 12 speeds to work with our 1x Eagle and XPLR gearing choices. Weve incorporated the celebrated ergonomics of our AXS controls into the mechanical shifters for optimized control and comfort for the widest range of hand sizes. Reach Adjust allows personalization, and the Stealth a majig hose