Treks Domane SL 5 Disc is all about smooth riding, speed & versatility. The lightweight OCLV Carbon frame has both Front & Rear Iso Speed to smooth out bumps in the road & reduce fatigue so you can stay stronger on long adventures. It has an upgraded Shimano 105 drive train, disc brakes for all-weather stopping power & an easy-access internal storage compartment for stowing ride essentials.