FX Sport 4 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. An IsoSpeed decoupler smooths out rough roads and the 1x11 drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides. It's right for you if... You're ready to log big miles, and you prefer the feel of a flat handlebar to the drop bars that come stock on most road bikes. You prioritize comfort and performance equally, and want the simplicity a 1x drivetrain provides. The tech you get A lightweight OCLV Carbon frame with a road-smoothing IsoSpeed decoupler, a Shimano GRX 1x11 drivetrain with a wide-range cassette, Shimano hydraulic disc brakes for all-weather stopping power, a lightweight tubeless ready wheelset, and ergonomic grips. Plus, it's easy to accessorize with fenders, lights, and more! The final word Fast, capable, comfortable. This bike has a road-smoothing carbon frame and quality parts that will hold up over serious miles, but what really sets this model apart is the simpler shifting experience the 1x11 drivetrain provides. Why you'll love it - The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter - You get the superior ride quality of carbon without the bank-breaking price - IsoSpeed—a decoupler at the seat tube/top tube junction that absorbs fatiguing bumps from the road so you can stay stronger longer - On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides - You can pair FX Sport with your smartphone and send your ride data to your favorite fitness app when you add DuoTrap S

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. A 400 Series OCLV Carbon frame with an IsoSpeed decoupler to smooth out rough roads, a carbon fork, a Shimano 2x10 drivetrain, and hydraulic disc brakes make it perfect for everything from solo workouts to speedy group rides. It's right for you if... You're ready to log big miles, and you prefer the feel of a flat handlebar to the drop bars that come stock on most road bikes. You prioritize comfort and performance equally, and expect your bike to grow with you as you advance in speed and distance. The tech you get A lightweight 400 Series OCLV Carbon frame with a road-smoothing IsoSpeed decoupler, a carbon fork, a 20-speed Shimano Tiagra drivetrain, Shimano hydraulic flat-mount disc brakes, hidden fender mounts, a Bontrager Montrose saddle, and a lightweight Bontrager alloy wheelset with front and rear thru-axles for better responsiveness and control. The final word A fitness bike that's every bit as fast and capable as the race bikes found in our road lineup. FX Sport 5 has quality parts that will hold up over serious miles, but real value of this model comes in the OCLV Carbon frame: it's light, fast, and it has IsoSpeed—a decoupler at the seat tube/top tube junction that absorbs fatiguing bumps from the road so you can stay stronger longer. Why you'll love it - All the performance of an advanced carbon road bike, with the comfort and control that comes from a flat handlebar - On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides - 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!

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 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 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!