Trek FX 3 Gen 4 2025|XS|Small|Medium|Large|XL|XXL|Hex Blue|Galactic Grey

Description

The FX 3 is a versatile hybrid bike that’s primed for performance, comfort and utility. It has features like a lightweight aluminium frame, a carbon fork, a 1x drivetrain and powerful disc brakes that stop in any weather. It’s a commuting pro if you want it to be, or the perfect fitness companion on road and rail trails.

It’s right for you if…

You’re a commuter or fitness rider whos having fun spending more time in the saddle. You want a great-looking bike that’s versatile, comfortable and built with quality parts that will perform on longer rides.

The tech you get

A lightweight aluminium frame, a carbon fork, hydraulic disc brakes for all-weather stopping power, and a simple 1x drivetrain that ditches the front derailleur for less clutter and easier operation. Don’t worry, with the wide-range 11-48 cassette still gives you all the gears you need to conquer hills and crush flats. Plus, you get vibration-absorbing handlebars with ergonomic grips for more comfort on every ride.

The final word

The FX 3 is a lightweight and fast fitness bike, commuter and neighbourhood cruiser all in one. For all the great things about this bike, the best tech upgrade is the simple-yet-capable 1×10 drivetrain.

Specifications

*spec applies to all sizes unless otherwise noted

Frame Alpha Gold Aluminium, internal cable routing, rack & mudguard mounts, post mount disc, kickstand mount, 135x5mm QR Fork FX carbon, flat-mount disc, rack mounts, 410 mm axle-to-crown, ThruSkew 5 mm QR

Wheels

Hub front Formula DC-20, alloy, 6-bolt, 5×100 mm QR Skewer front 139×5 mm bolt-on Hub rear Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm QR Skewer rear 152×5 mm QR Rim Bontrager Tubeless Ready Disc, 32-hole, Presta valve Tyre Bontrager H2 Comp, wire bead, 30 tpi, 700×35 mm Max tyre size 700×40 mm

Drivetrain

Shifter Shimano CUES U6000 w/optical gear display, 10-speed Rear derailleur Shimano CUES U6000 GS *Crank Size:XS, S, M
Prowheel alloy, 40T narrow-wide ring, 170 mm length Size:L, XL
Prowheel alloy, 40T narrow-wide ring, 175 mm length Size:XXL
ProWheel alloy, 40T narrow-wide ring, 175 mm length Cassette Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed Chain Shimano LG500 Pedal Bontrager City pedals Max. chainring size 1x: 44T, 2x: 46/32

Components

Saddle Bontrager H1 Seatpost Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length *Handlebar Size:XS, S, M
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width Size:L, XL, XXL
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic *Stem Size:XS, S
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length Size:M, L, XL, XXL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 100 mm length Brake Shimano hydraulic disc, MT201 lever, UR300 calliper Brake rotor Shimano RT26, 6-bolt, 160 mm Rotor size Max brake rotor sizes: 160 mm front and rear

Weight

Weight M 11.50 kg/25.36 lb Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.