The power and control of hydraulic disc brakes comes to Rival in a perfect aero package for TT/tri. These brakes bring all the power with low effort so you stay fresh for your effort.2-piece forged aluminum 2-Piston caliper and aero lever with carbon blade provide optimized power and modulation for triathlon and time trialAluminum lever body and textured carbon brake lever for better finger gripTitanium caliper hardware offers light weight and exceptional strengthTooled Reach Adjust to personalize fit for more hand sizesStealth-a-majig(TM) connector makes initial setup fast and convenientDOT 5.1 brake fluid