- FX Sport 6 is incredibly fast, and it has the added comfort and control of a flat handlebar - Fast is fun: FX Sport 6 is the quickest fitness bike on the road - You can pair FX with your smartphone and send your ride data to your favorite fitness app when you add DuoTrap S - It's easy to accessorize with fenders, lights, and more! - Like every Trek hybrid, it's backed by a lifetime warranty and supported by a wide network of retail partners
