Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2025 Trek FX Sport 6
Previous used estimate
$2,306 - $2,373
Actual value depends on condition, size, and local demand.
Value Guide market data · 2025 Trek FX Sport 6
12-month projected trend
15%
Direction and magnitude, not judgment
vs. category average
6%
Holds value better than category avg
Price over time - 2025 Trek FX Sport 6
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All FX model years
Compare FX Sport 6 models
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Overview
About this bike
FX Sport 6 is an ultra-light and fast fitness bike. It has every performance feature of a high-end road bike, with the added benefit of a flat handlebar for additional comfort and control. A lightweight 400 Series OCLV Carbon frame, wireless electronic SRAM shifting, and Bontrager carbon wheels make it the best choice for serious fitness riders with serious goals. IT'S RIGHT FOR YOU IF... You want the fastest fitness bike you can get—one that can hold its own with any road bike out there. You want to keep up with faster group rides, put on more miles, set new Strava PRs, and leave a pack of road riders in your dust as you sprint to the town line. THE TECH YOU GET A lightweight 400 Series OCLV Carbon frame with a carbon fork, a wireless electronic SRAM Apex XPLR AXS 12-speed drivetrain with a wide range of gearing, hydraulic disc brakes, hidden fender mounts, a lightweight Bontrager Aeolus Elite 35 carbon wheelset with high-quality tubeless-ready Bontrager GR1 Team Issue gravel tires, and a vibration-absorbing handlebar with ergonomic grips. THE FINAL WORD The fastest fitness bike. Period. FX Sport 6 delivers lightweight OCLV Carbon frame and fork, high-performance wireless drivetrain, and a light and responsive carbon wheelset to create the ideal ride for anyone who wants to ride ridiculously fast and crush fitness milestones. WHY YOU'LL LOVE IT - A fitness bike that's every bit as fast and capable as the race bikes found in our road lineup - The wireless 1x drivetrain delivers precise shifting and keeps cables to a minimum - Its hydraulic brake cables are routed internally, protecting them from the elements and adding to the bike's sleek look - It's easy to accessorize with fenders, lights, and more!
Specifications
- Category
- Hybrid
- Component Fork
- Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew
- Component Hubs
- Front: Bontrager Affinity, Tubeless Ready, centerlock, 100x5mm axle Rear: Bontrager Affinity Comp, Shimano 11/12 speed freehub, 142x5mm
- Component Size
- X-Small, Small, Medium, Large, X-Large
- Component Stem
- Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90-110mm length
- Product Family
- FX
- Component Chain
- SRAM Apex, 12 speed
- Component Color
- Matte Bronze Age/Deep Smoke
- Component Frame
- 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew
- Component Brakes
- Shimano hydraulic disc, MT201 lever, UR300 caliper
- Component Pedals
- Bontrager City pedals
- Component Rotors
- Shimano RT10, centerlock, 160mm
- Component Saddle
- Bontrager Montrose Comp, steel rails, 138mm width
- Component Battery
- SRAM eTap battery pack (with charger)
- Component Crankset
- SRAM Apex 1, 40T, DUB Wide, 170-175mm length
- Component Seatpost
- Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length
- Component Handlebar
- Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600-660mm width
- Component Rear Tire
- Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
- Component Wheel Set
- Front: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 100x5mm QR Rear: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, Shimano 11-speed freehub, 135x5mm skewer
- Component Front Tire
- Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
- Component Tape Grips
- Bontrager Satellite IsoZone Plus, lock-on, ergonomic
- Component Wheel Size
- 700c
- Component Bottom Bracket
- SRAM DUB, 86.5mm, PressFit
- Component Rear Derailleur
- SRAM Apex XPLR eTap AXS, 44T max cog
- Component Cassette Freewheel
- SRAM XPLR PG-1231, 11-44, 12 speed
- Hubs
- Front: Bontrager Affinity, Tubeless Ready, centerlock, 100x5mm axle Rear: Bontrager Affinity Comp, Shimano 11/12 speed freehub, 142x5mm
- Crankset
- SRAM Apex 1, 40T, DUB Wide, 170-175mm length
- Pedals
- Bontrager City pedals
- Bottom Bracket
- SRAM DUB, 86.5mm, PressFit
- Chain
- SRAM Apex, 12 speed
- Seatpost
- Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length
- Saddle
- Bontrager Montrose Comp, steel rails, 138mm width
- Handlebar
- Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600-660mm width
- Rear Derailleur
- SRAM Apex XPLR eTap AXS, 44T max cog
- Rear Tire
- Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
- Stem
- Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90-110mm length
- Brakes
- Shimano hydraulic disc, MT201 lever, UR300 caliper
- Fork
- Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew
- Frame
- 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew
- Tape/Grips
- Bontrager Satellite IsoZone Plus, lock-on, ergonomic
- Battery
- SRAM eTap battery pack (with charger)
- Color
- Matte Bronze Age/Deep Smoke
- Size
- X-Large
- Wheel Size
- 700c
- Cassette/Freewheel
- SRAM XPLR PG-1231, 11-44, 12 speed
- Rotors
- Shimano RT10, centerlock, 160mm
- Wheel Set
- Front: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 100x5mm QR Rear: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, Shimano 11-speed freehub, 135x5mm skewer
- Front Tire
- Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.