The 2023 Trek Domane SL 6 Gen 4 is an endurance road bike that’s light, aerodynamic, and built to take on rough roads and long miles in comfort. It has all the road-smoothing advantages of a lightweight 500 Series OCLV Carbon frame with rear IsoSpeed, a wireless electronic Shimano 105 Di2 drivetrain, and high-quality wheels. A fully integrated cockpit keeps your setup looking as sleek as it feels, and an easy-access storage compartment for stowing ride essentials. Plus, lofty 38mm tire clearance lets you take on any road from tarmac to light gravel.