The Trek Domane SLR Gen 4 is an endurance road bike designed for speed, comfort, and versatility across long miles. Its 800 Series OCLV Carbon frame is the lightest Domane yet, featuring refined IsoSpeed compliance in the rear to smooth rough pavement without adding weight. With clearance for up to 38mm tires, hidden internal storage, and aerodynamic tube shaping, it balances race-ready performance with practical features for all-day riding. Built for endurance racers and adventure seekers alike, the Domane SLR Gen 4 is Trek’s most refined take on comfort and efficiency in a single road machine.