2020 Trek Madone SLR 9 Disc eTap Project One pairs the aerodynamics and ride quality of an all-new 800 Series OCLV Carbon frame with the smoothness of SRAM's most advanced electronic drivetrain, RED eTap AXS. It's the first-ever wireless electronic groupset with a 12-speed cassette. Saddle up for the quickest and smartest shifting of your life.