2021 Trek Emonda SL 6 Pro Road Bike in Trek Black/ Radioactive Red is the step up & the first bike in the range to couple the Ultralight 500 Series OCLV Carbon frame & Bontrager Aeolus Elite 35, OCLV Carbon wheels. High-performance details such as Aero tube shaping makes this run of Emonda SL the fastest. Shimano Ultegra hydraulic disc breaks, High-end Shimano Ultegra 11-speed drive train, makes the Emonda SL 6 Pro fast with the stopping power & control you want in any weather, on any road. Confidence in carbon: if your Bontrager carbon wheels are damaged within the first two years of ownership, Trekll repair or replace them for free This bike is great for If you want a race-worthy road bike that will give you the advantage on the road dup te climbs & on descents without having to upgrade components for a long time. Features Aerodynamic 500 Series OCLV Carbon frame & fork, Bontrager Aeolus Elite 35 carbon wheels Shimano Ultegra 11-speed drive train Ultegra flat-mount disc brakes.