Trek FX 1 Gen 4 2025
2025 Urban
Estimate price |
697$
Weight | 13 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Tourney, Acera -
Suspension Rigid -
Drivetrain 2 × 8 -
Brakes Tektro Mechanical Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Gold Aluminum, internal cable routing, rack & fender mounts, post mount disc, kickstand mount, 135x5mm QR
Suspension Fork
FX steel, flat-mount disc, rack mounts, 410mm axle-to-crown, ThruSkew 5mm QR
Drivetrain
Rear Derailleur
Shimano Acera M3020-8, 40T max cog
Front Derailleur
Shimano Tourney TY606, 31.8/34.9mm clamp, top swing, dual pull
Shift Levers
Shimano EF500, 8 speed
Cassette
Shimano HG200, 12-32, 8 speed
Crank
Forged alloy, 46/30, chainguard, 170mm length
Bottom Bracket
Sealed cartridge, 68mm
Chain
KMC Z8.3
Pedals
Wellgo nylon platform
Wheels
Front Hub
Formula DC-20, alloy, 6-bolt, 5x100mm QR
Rear Hub
Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
Rims
Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Tires
Bontrager H2 Comp, wire bead, 30 tpi, 700x35mm
Brakes
Brakes
Tektro MD-U310 mechanical disc
Cockpit
Stem
Size: XS, S, M, Bontrager alloy, 25.4mm clamp, 10 degree, 90mm length; Size: L, XL, Bontrager alloy, 25.4mm clamp, 10 degree, 110mm length
Handlebar
Size: XS, S, M, L, Bontrager Riser, steel, 25.4mm, 30mm rise, 600mm width; Size: XL, Bontrager Riser, steel, 25.4mm, 30mm rise, 620mm width
Grips
Bontrager Satellite
Seat
Saddle
Bontrager Sport
Seatpost
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 40cm | 45cm | 50cm | 55cm | 60cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.418 mm | 1.475 mm | 1.511 mm | 1.554 mm | 1.584 mm |
| Front Center | 613 mm | 620 mm | 631 mm | 641 mm | 648 mm |
| Rake | 50 mm | 51 mm | 50 mm | 50 mm | 50 mm |
| Trail | 74 mm | 71 mm | 68 mm | 64 mm | 58 mm |
| Stack | 543 mm | 568 mm | 594 mm | 620 mm | 648 mm |
| Reach | 383 mm | 385 mm | 393 mm | 399 mm | 409 mm |
| Top Tube Length | 528 mm | 543 mm | 563 mm | 583 mm | 613 mm |
| Seat Tube Angle | 75 ° | 74.5 ° | 74 ° | 73.5 ° | 72.5 ° |
| Seat Tube Length | 330 mm | 375 mm | 420 mm | 465 mm | 520 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 71 ° | 71.5 ° | 72.5 ° |
| Head Tube Length | 115 mm | 140 mm | 165 mm | 190 mm | 215 mm |
| Chainstay Length | 447 mm | 447 mm | 447 mm | 447 mm | 447 mm |
| Wheelbase | 1052 mm | 1059 mm | 1070 mm | 1080 mm | 1087 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm | 65 mm | 65 mm |
| Standover Height | 675 mm | 715 mm | 754 mm | 791 mm | 836 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |