Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2025 Trek FX 2 Gen 4
Value Guide market data · 2025 Trek FX 2 Gen 4
12-month trend
25%
Direction and magnitude, not judgment
vs. category average
7%
Holds value better than category avg
Price over time - 2025 Trek FX 2 Gen 4
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All FX model years
2026$2,139 - $2,484▼ 23% vs. 2025
2025$2,790 - $3,240Currently viewing
2024$2,604 - $3,024▼ 7% vs. 2025
2023$2,604 - $3,024▼ 7% vs. 2025
2022$2,604 - $3,024▼ 7% vs. 2025
2021$2,046 - $2,376▼ 27% vs. 2025
2020$2,046 - $2,376▼ 27% vs. 2025
2019$1,953 - $2,268▼ 30% vs. 2025
2018$1,860 - $2,160▼ 33% vs. 2025
2017$1,953 - $2,268▼ 30% vs. 2025
2013$409 - $475▼ 85% vs. 2025
2012$2,372 - $2,754▼ 15% vs. 2025
2011$2,492 - $2,894▼ 11% vs. 2025
2010$2,492 - $2,894▼ 11% vs. 20252025 FX 2 Gen 4 lineup
Overview
About this bike
2025 Trek FX 2 Gen 4 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- FX alloy, flat-mount disc, rack mounts, 410mm axle-to-crown, ThruSkew 5mm QR
- Frame
- Alpha Gold Aluminum, internal cable routing, rack & fender mounts, post mount disc, kickstand mount, 135x5mm QR
Drivetrain
- Groupset
- Shimano CUES
- Bottom Bracket
- Sealed cartridge, 68mm
- Cassette
- Shimano LINKGLIDE LG300, 11-46, 9 speed
- Chain
- Shimano LG500, 9/10/11 speed
- Crankset
- ProWheel Pro alloy, 40T narrow-wide steel ring, 170mm length
- Rear Derailleur
- Shimano CUES U4000
- Shifters
- Shimano U4000, 9 speed
Brakes
- Brakes
- Tektro HD-R280 hydraulic disc, 160mm rotor
- Rotors
- Tektro wave, 6-bolt, 160mm
Cockpit
- Handlebar
- Bontrager alloy, 31.8mm, 15mm rise
- Saddle
- Bontrager Sport
- Seatpost
- Bontrager alloy, 27.2mm, 12mm offset, 330mm length
- Stem
- Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 90-100mm length
- Grips
- Bontrager Satellite
Wheels & Tires
- Front Tire
- Bontrager H2 Comp, wire bead, 30 tpi, 700x35mm
- Hubs
- Front: Formula DC-20, alloy, 6-bolt, 5x100mm QR , Rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
- Rear Tire
- Bontrager H2 Comp, wire bead, 30 tpi, 700x35mm
- Rims
- Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
- Wheel Size
- 700c
Pedals
- Pedals
- Bontrager City pedals
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.