Like every Trek Emonda SL Disc Road Frame Set it's built to be the lightest and fastest in its class and backed by our lifetime warranty.   It's right for you if... You have a lightweight dream build in mind, and you're looking for an aerodynamic carbon road bike frame set that gives you an exceptional amount of performance per pound spent.   The tech you get An ultra-light 500 Series OCLV Carbon frame with aero tube shaping and a full carbon fork – both with internal cable routing. Plus 12 mm thru axles and an integrated cartridge-bearing head set. Built for a BB90 bottom bracket and flat-mount disc brakes.   The final word Émonda SL Disc frame set gives you a great start on your dream build for a lightweight disc road bike. This platform combines all the flat-out fast advantages of a lightweight, aerodynamic carbon road bike with the better performance and tyre clearance that comes with disc brakes. Aerodynamic tube shaping makes this our fastest Émonda SL platform ever  It's not just super-light, it's also perfectly balanced for great handling and cornering  It's got climbing in its genes, and the lightweight OCLV Carbon frame lets you explore bigger mountains with less effort  Trek Emonda SL Disc Road Frame Set 2021 Features Frame Ultralight 500 Series OCLV Carbon, Fork Émonda SL full carbon lifetime warranty