Trek Online FX Sport 4

Latest Estimated arrival date to US Ports
Please allow ~2 weeks for bike to arrive assembled at your local store.
FX Sport 4, DARK AQUATIC L – In Stock NOW !
FX Sport 4, DARK AQUATIC M – PAST DUE – LIMITED STOCK AVAILABLE!
FX Sport 4, DARK AQUATIC S – In Stock NOW !
FX Sport 4, DARK AQUATIC XL – Jul-18 ’22
FX Sport 4, DARK AQUATIC XS – Jul-18 ’22
FX Sport 4, LITHIUM GREY L – In Stock NOW !
FX Sport 4, LITHIUM GREY M – PAST DUE
FX Sport 4, LITHIUM GREY S – May-30 ’22
FX Sport 4, LITHIUM GREY XL – PAST DUE – LIMITED STOCK AVAILABLE!
FX Sport 4, LITHIUM GREY XS – Jul-18 ’22 – LIMITED STOCK AVAILABLE!
FX Sport 4, TREK WHITE L – PAST DUE – LIMITED STOCK AVAILABLE!
FX Sport 4, TREK WHITE S – Jun-20 ’22
FX Sport 4, TREK WHITE XL – Sep-5 ’22 – LIMITED STOCK AVAILABLE!

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. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.

– 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
– On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides
– Its easy to accessorize with fenders, lights, and more!