Put Trek's Domane 4.5 WSD through its paces and you'll revel in its unmatched ride quality, comfort and quickness. Graced with race-winning Trek technology like IsoSpeed, comfortable endurance geometry and their super-light and efficient OCLV carbon tubing, the Domane WSD is a true game-changer. It masters long, epic rides with ease while also delivering unrivaled speed and comfort over the roughest roads that dare to challenge you. The 4.3 rolls on quality Bontrager components including aluminum wheels, bar and stem, a carbon seatpost and a supportive seat. Plus, you get a precision-shifting Shimano Ultegra drivetrain with a compact crankset for easier climbing and Shimano 105 brakes for total control on the descents. Uncompromisingly fast, confidently stable, sublimely comfortable, the Domane 4.5 WSD has it all!