Trek's 7.7 FX delivers unparalleled versatility that rockets along roads, cruises along bike paths, and even hits dirt roads. Its carbon frame is light and nimble for effortless riding and great handling. The frame is graced with tubeless-ready Bontrager wheels, and a precision Shimano 20-speed drivetrain with wide-range gearing for cruising over the climbs. Quick-stopping Tektro brakes give you stopping power for the ride back down, and you've got a plush Bontrager seat and a great bar, stem, and seatpost as well. All your rides just got a lot more fun, and you just got a whole lot fitter.