- 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

FX Sport 5 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. It has an upgraded high-quality drivetrain, hydraulic disc brakes, and tubeless-ready rims making it perfect for everything from solo workouts to speedy group rides. - All the performance of an advanced carbon road bike, with the comfort and control that comes from a flat handlebar - The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter - On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides - It's easy to accessorize with fenders, lights, and more!

FX Sport 6 is the lightest and fastest fitness bike in the lineup. It has every performance feature of a high-end road bike, with the added benefit of a flat handlebar for additional comfort and control. A lightweight 400 Series OCLV Carbon frame, a high-quality Shimano drivetrain, and Bontrager carbon wheels make it the best choice for serious fitness riders with serious goals. - A fitness bike that's every bit as fast and capable as the race bikes found in our road lineup - The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter - The cables are routed internally, which protects them from the elements and adds to the bike's sleek look - It's easy to accessorize with fenders, lights, and more!