ATTENTION: ALL BICYCLE SALES MUST BE PICKED UP IN-STORE. PLEASE ENSURE IN-STORE PICKUP IS SELECTED AT CHECKOUT.
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.
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
See the Trek FX Sport Carbon 4 on trekbikes.com