They break down the differences between the three types of road bikes: Aero, lightweight and endurance.
To help highlight the differences in each bike, Trek provided us with the 2017 Madone 9.2, Emonda SLR 6, and Domane SLR 6 Disc. All are a 56cm frame and have a Shimano Ultegra mechanical groupset.
A more in-depth look is available on site.