Trek

2025 Trek FX Sport 4

2025 Trek FX Sport 4

Value Guide market data · 2025 Trek FX Sport 4

12-month trend

20%

Direction and magnitude, not judgment

vs. category average

17%

Holds value better than category avg

Price over time - 2025 Trek FX Sport 4

$1.8k$1.2k$655MSRPYr 1Yr 2Yr 3Yr 4Yr 5

Values based on actual sales data. Enter your bike's specifics to get a precise valuation.

All FX model years

2025 FX Sport 4 lineup

Overview

About this bike

2025 Trek FX Sport 4 value depends on condition, original build, frame material, service history, and current buyer demand.

Specifications

Frameset

Frame
400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew

Drivetrain

Groupset
Shimano CUES
Cassette
Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed
Chain
Shimano LG500, 9/10/11 speed
Crankset
Prowheel alloy, 42T narrow-wide ring, 170-175mm length
Rear Derailleur
Shimano CUES U6000 GS
Shifters
Shimano CUES U6000 w/optical gear display, 10 speed

Brakes

Brakes
Shimano hydraulic disc, MT201 lever, UR300 caliper
Rotors
Shimano RT10, centerlock, 160mm

Cockpit

Handlebar
Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600-660mm width
Saddle
Bontrager H1
Seatpost
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Stem
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90-110mm length
Grips
Bontrager Satellite IsoZone Plus, lock-on, ergonomic

Wheels & Tires

Front Tire
Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40c
Hubs
Front: Formula CL-51 alloy, 100x5mm QR , Rear: Formula CL-52 alloy, 135x5mm QR
Rear Tire
Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40c
Rims
Bontrager Paradigm, Tubeless Ready, 32-hole, 21mm width, Presta 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

Frame condition

Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.

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.

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