Sram rival 1 hydraulic disc brakesram roads hydror hydraulic braking platform provides better speed modulation and braking performance in all conditions pair with a rival 11 speed shifter for 1x set up hydror brake lever features and all new design with revised ergonomics for better finger wrap enjoy seemingly effortless braking regardless of terrain or condition brake lever fit and feel is a personal thing riders have individual positioning preferences as well as unique hand sizes and fin