2021 Trek Emonda SL 7 Road Bike in Gloss Radioactive Red/ Matte Carbon is a light, aerodynamic carbon road bike designed & built to be light & fast. The Emonda SL 7 features light, aerodynamic 500 Series OCLV Carbon frame & fork. Bontrager Aeolus Pro 37 OCLV Carbon tubeless-ready wheels are designed for climbing & developed alongside the Émonda. The Carbon tubeless-ready wheels with Bontrager R3 Hard-Case Lite tyres further work to keep the weight down & your speed up. Speaking of speed, you want those seamless gear changes. Trek deliver using Shimano Ultegra Di 2 electronic drivetrain delivers lightning-fast precision shifting. Going that fast, you need stopping power, & you have it with the powerful Shimano Ultegra hydraulic disc brakes. This bike is great for the rider who wants a race-worthy lightweight bike that excels in all conditions, light, fast & confident its an outstanding choice. Features Fast & stable Bontrager Aeolus RSL 37 OCLV Carbon tubeless-ready wheels Shimano Ultegra Di 2 electronic drivetrain Ultra-light & aerodynamic 500 Series OCLV Carbon frame Shimano Ultegra R8000 crank Shimano Ultegra hydraulic disc brakes. Bontrager Aeolus Elite, austenite rails, 145 mm width saddle