Trek is updating one of their most famous models with the new Madone SLR, which gets improved aero and 700 Series OCLV Carbon for 2018. The bike's 700 Series OCLV Carbon construction is ultra lightweight and is the strongest carbon available from the company. Other features include comprehensive integration with invisible cable routing, integrated brakes, and more. They've also made it available with flat mount disc brake and direct mount rim brake options for the first time ever and the bike features a new geometry for improved speed and comfort. 

trekbikes.com