The FX 1 Disc fitness bike from Trek is a versatile hybrid bike with reliable disc brakes that let you stop on a dime and ask for change, even when the weather isn’t cooperating. Train, commute or ride for fun with the lightweight Alpha Gold Aluminum frame, 21 speeds and semi-skinny tires that are fast on the road and stable on loose terrain. The bike, made in satin Trek black, has SunRace MFM300 Freewheel drivetrain, Bontrager tires, Shimano Altus EF500 shifter and Tektro MD-U310 mechanical disc brakes.