The Trek Domane SLR 9 Gen 4 Road Bike is our top ultra-light carbon endurance road bike decked out with the highest-end parts made for a fast, high-performance ride. You get our highest level OCLV Carbon frame with rear IsoSpeed, a wireless Shimano Dura-Ace Di2 electronic drivetrain for precision shifting and OCLV Carbon wheels. Plus, it has an easy-access storage compartment for stowing ride essentials, and versatile 38c tyre clearance to keep you floating on rough roads and light gravel.It’s right for you if…You want the most capable bike on the tarmac that doesn’t back down from endurance race days, and you’re not willing to settle for less. You’re looking for the most advanced endurance road bike frame we offer, with the added benefit of a wireless electronic Shimano Dura-Ace Di2 drivetrain for fast, precision shifting in any condition.The tech you getAn ultra-light and refined 800 Series OCLV Carbon frame and fork with rear IsoSpeed, integrated internal storage and top tube mounts. It’s equipped with a wireless Shimano 2×12 wireless Dura-Ace Di2 electronic drivetrain, powerful flat-mount disc brakes, Aeolus Pro 37 carbon wheels and a Bontrager Pro IsoCore handlebar that reduces vibrations from the road by 20% over a standard carbon bar.The final wordOur highest-end Domane carbon frame, with the meticulous shifting that comes only from wireless Shimano Dura-Ace. You’re getting tech that provides a real advantage in comfort, reliability and speed during all-day adventures, competitive group rides or long races.Trek Domane SLR 9 Gen 4 Road Bike HighlightsThe sleek all-new 800 Series OCLV Carbon frame saves weight and gives you more free speed thanks to updated Kammtail tube shapesShimano’s cream of the crop Dura-Ace Di2 drivetrain provides the pristine and crisp shifts you need, while keeping your set-up lightweightThe road-smoothing rear IsoSpeed absorbs fatiguing bumps in the road to keep you comfortable through the longest miles and hardest race daysA sleek internal storage compartment gives you a versatile spot to stow tools and gear, while the top tube mounts let you cleanly bolt on a bag for all-day adventures
