FX offers a best-of-both-worlds combination of road bike speed and city bike versatility. It’s the perfect fitness hybrid bike, and so much more. FX is fast, fun, comfortable, and agile enough for a multitude of uses. From fitness and commuting to errands and mellow Sunday loops, you’ll find your new favorite ride on FX. Lightweight, fan-favorite frame for a fast, efficient, enjoyable ride and duoTrap S compatible, track your fitness, map your miles. Make it your own, rack and fender mounts and backed by Trek’s limited lifetime warranty.