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
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The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter
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You get the superior ride quality of carbon without the bank-breaking price
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IsoSpeed—a decoupler at the seat tube/top tube junction that absorbs fatiguing bumps from the road so you can stay stronger longer
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On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides
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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