The Trek 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.

The 1x drivetrain gives you all the gears you need and none you don’t
It's easy to accessorise with an MIK rear rack, a kickstand, mudguards, lights and more!
It's versatile and does whatever you want it to do, whether that's riding for fitness, commuting or cruising to the farmer's market to do the weekly shop
The cables are routed internally, which protects them from the elements and adds to the bike's sleek look

Sunset Cycles offers the 2025 Trek FX 3 fitness bike in Galactic Grey finish with up to 24 months 0% finance and free delivery.

The 2025 Trek FX range: FX 2 Equipped (Lava) | FX 3 (Blue) | FX 3 (Grey) | FX 3 Equipped (Grey) | FX 3 Equipped Midstep (Grey)

Full Specification: Trek FX 3 (Grey) 2025 Fitness Bike

Frameset
Frame	Alpha Gold Aluminium, internal cable routing, rack & mudguard mounts, post mount disc, kickstand mount, 135x5 mm QR
Fork	FX carbon, flat-mount disc, rack mounts, 410 mm axle-to-crown, ThruSkew 5 mm QR
Wheels
Front Hub	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Rear Hub	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Rims	Bontrager Tubeless Ready Disc, 32-hole, Presta valve
Tires	Bontrager H2 Comp, wire bead, 30 tpi, 700x35 mm
Drivetrain
Shifters	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
Crank (Size: L,XL,XXL	ProWheel alloy, 40T narrow-wide ring, 175 mm length
Cassette	Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
Chain	Shimano LG500
Pedals	Bontrager City pedals
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
Handlebar (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
Stem (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
Weight
Weight	M – 11.50 kg/25.36 lb

Size Guide: Trek FX 3 (Grey) 2025 Fitness Bike

Frame Size	Rider Height* (metric)	Rider Height* (imperial)
X Small	147 - 155 cm	4'10" - 5'1"
Small	155 - 165 cm	5'1" - 5'5"
Medium	165 - 175 cm	5'5" - 5'9"
Large	175 - 186 cm	5'9" - 6'1"
X Large	186 - 197 cm	6'1" - 6'6"
XX Large	197 - 203 cm	6'6" - 6'8"
*This is for guidance only. You may be taller or shorter, it doesn't mean our bikes will not fit you. The best way to determine the correct bike size for you is to try one. Please contact us if you are in any doubt about the correct bike size for you.