Ready for long rides and tough trails, Trek's 4900 Disc will take you where ever you want to go. It's perfect for the dirt as well as great for commuting, running errands, and everything in between. It boasts Trek's light, nimble-handling Gold Series aluminum frame that shares the DNA of Trek's top-line bikes, with geometry that lets you conquer the climbs and rip the descents. And the 4900 boasts a 3x10 Shimano Deore/XT drivetrain, a 100mm-travel SunTour fork and Avid hydraulic-disc brakes. Plus you get a host of fine Bontrager components.