Features /

FX is fitness simplified. It offers a best-of-both-worlds combination of road bike speed and city bike comfort and versatility. It’s a perfect fitness bike, and so much more.


Alpha Aluminum frame

Trek’s high-performance Alpha Aluminum is shaped and tuned for unmatched ride quality.

DuoTrap S compatible

DuoTrap S seamlessly integrates a Bluetooth® sensor into the frame, so you can log your routes and track fitness progress on your computer or smart phone without an external sensor.

Puncture-resistant tires

Tough Bontrager Hard-Case tires help keep flats from slowing you down.

Rack & fender ready

Built-in mounts make it easy to add racks and fenders for added versatility.

Ergo grips

Specially designed grips take your hand shape into account for more comfort and greater control.

Stagger frame

Easy-on, easy-off stepthrough frame is perfect for anybody not interested in slinging a leg over the top tube.

WSD: fit for women

A great-fitting bike is a joy to ride. The better the fit, the greater your comfort, stability, power, and control. And nothing fits better than Trek WSD, Women’s Specific Design.