The pinnacle of cross-country cycling performance can be found in the new XX SL Eagle AXS Transmission groupset. Built to serve the most demanding riders needs in the lightest weight configuration, XX SL Transmission is the evolution of our World Champion, World Cup winning XX Eagle AXS. The new XX SL Eagle Transmission derailleur is more robust thanks to our hangerless interface and features familiar technologies like our overload clutch and AXS pairing process. The new XX SL Transmission cassette is a major reason why Eagle Transmission offers the best-ever inboard and outboard shifting performance under load.SRAM Eagle Transmission ReviewThanks to its full X-SYNC design, the harder you pedal, the better it shifts. In addition to X-SYNC technology and re-imagined gear progression, it is also our lightest Eagle cassette ever. Still the lightest ISO certified crank on the market, the XX SL Transmission cranks are maximized for title winning stiffness and feature the remarkable new XX