Trek

2025 Trek Fuel EX 9.9 XX AXS T-Type Gen 6

Previous used estimate

$7,753 - $7,976

Actual value depends on condition, size, and local demand.

2025 Trek Fuel EX 9.9 XX AXS T-Type Gen 6

Value Guide market data · 2025 Trek Fuel EX 9.9 XX AXS T-Type Gen 6

12-month projected trend

18%

Direction and magnitude, not judgment

vs. category average

10%

Drops faster than category avg

Price over time - 2025 Trek Fuel EX 9.9 XX AXS T-Type Gen 6

$11.0k$6.0k$1.1kMSRPMSRPYr 1Yr 2Yr 3Yr 4Yr 5Yr 6Yr 7Yr 7Yr 8Yr 9Yr 10Yr 11Yr 12Yr 13Yr 14Yr 14Yr 15Yr 16Yr 17Yr 18Yr 19Yr 20Yr 20

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

All Fuel model years

Compare Fuel EX 9.9 XX AXS T-Type Gen 6 models

1 models

Choose a different build or frame style to see its value.

Overview

About this bike

Fuel EX 9.9 XX AXS is a performance-first trail bike built for riders who have an appreciation for the finest things in life. It combines a cream of the crop carbon frame with top-tier components, from the carbon fiber wheels all the way up to the 150mm Kashima-coated FOX Factory fork, and featherweight, fully wireless SRAM XX transmission. It's a bike that rules the mountain and doesn't hesitate to lay claim to its domain, ripping up rock gardens, blasting berms, and rocketing back to the top to conquer it all once again. IT'S RIGHT FOR YOU IF... You have refined taste in mountain bikes, and don't like to settle. You want a bike built to tackle the whole mountain and rule it all with the finest technology available, from its light and stiff carbon frame and wheels that track through the hairiest lines, to the FOX Factory fork and SRAM's fully wireless top-tier XX transmission. THE TECH YOU GET An OCLV Mountain Carbon frame with lightweight carbon wheels and SRAM's top-tier XX AXS direct-mount, wireless electronic transmission. Silky smooth travel from a 150mm FOX Factory 36 Fork with Float EVOL air spring and GRIP2 damper, 140mm of FOX Factory Float X rear suspension, and a RockShox Reverb AXS dropper post, all topped off with adjustable geometry for fine-tuning your ride to you and internal frame storage that lets you keep your setup tidy without leaving behind trail essentials. THE FINAL WORD Fuel EX 9.9 is a bike built to satisfy those with the finest taste. It pairs together an all- mountain trail capable carbon frame with the finest components you'll find on a modern mountain bike, from its carbon hoops to featherweight wireless SRAM XX AXS shifting. It's all wrapped up with adjustable geometry, so you can fine tune your ride to always feel how you want it. WHY YOU'LL LOVE IT - Fuel EX Gen 6 gives you 140/150mm of travel with extra adjustability features and more stable handling, plus a more robust frame with internal storage - We expanded our size range to ensure a better fit for all riders, and use the best-fitting wheels for each frame size: XS frames get 27.5? wheels, S frames get to choose between 27.5? or 29? , and sizes M and up get 29? wheels - The new SRAM T-Type transmission delivers next level performance with precise shifts under load and unmatched durability with proven wireless technology. - In-frame storage makes it easy to bring along all of your essentials, while keeping your setup streamlined and sleek - With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations

Specifications

Category
Mountain
Component Fork
Fox Factory 36, Float EVOL air spring, GRIP X2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 180mm direct mount brake tab, 140-150mm travel
Component Size
X-Small, Small, Medium, Medium/Large, Large, X-Large
Component Stem
Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length
Product Family
Fuel
Component Chain
SRAM XX Eagle, T-Type, 12 speed
Component Color
Deep Smoke, Deep Smoke/Purple Flip, Lava, Lavender Haze
Component Frame
OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
Component Brakes
SRAM Maven Ultimate 4-piston hydraulic disc
Component Pedals
Sold Separately
Component Rotors
SRAM HS2, 6-bolt, 180mm SRAM 6-bolt, 200mm
Component Saddle
Verse Short Pro, carbon rails, 145mm width
Component Headset
Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
Component Crankset
SRAM XX Eagle, DUB, 30T, T-Type, 55mm chainline, 170mm length
Component Seatpost
RockShox Reverb AXS, 100mm travel, wireless, 34.9mm
Component Handlebar
Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Component Rear Tire
XS-S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 27.5x2.50'' M - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
Component Wheel Set
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5-29'' Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 27.5'-29'
Component Front Tire
XS-S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 27.5x2.50'' M - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
Component Rear Shock
Fox Factory Float X, 2-position damper, 185mm x 55mm
Component Tape Grips
Bontrager XR Trail Elite, nylon lock-on
Component Wheel Size
27.5-inch, 29-inch
Component Bottom Bracket
SRAM DUB MTB Wide, 73mm, BSA threaded
Component Rear Derailleur
SRAM XX Eagle AXS, T-Type
Component Accessories Extras
Bontrager BITS integrated multi-tool
Component Cassette Freewheel
SRAM Eagle XS-1297, T-Type, 10-52, 12 speed
Rear Shock
Fox Factory Float X, 2-position damper, 185mm x 55mm
Crankset
SRAM XX Eagle, DUB, 30T, T-Type, 55mm chainline, 170mm length
Pedals
Sold Separately
Bottom Bracket
SRAM DUB MTB Wide, 73mm, BSA threaded
Chain
SRAM XX Eagle, T-Type, 12 speed
Seatpost
RockShox Reverb AXS, 100mm travel, wireless, 34.9mm
Saddle
Verse Short Pro, carbon rails, 145mm width
Handlebar
Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Headset
Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
Rear Derailleur
SRAM XX Eagle AXS, T-Type
Rear Tire
XS-S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 27.5x2.50'' M - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
Stem
Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length
Accessories & Extras
Bontrager BITS integrated multi-tool
Brakes
SRAM Maven Ultimate 4-piston hydraulic disc
Fork
Fox Factory 36, Float EVOL air spring, GRIP X2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 180mm direct mount brake tab, 140-150mm travel
Frame
OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
Tape/Grips
Bontrager XR Trail Elite, nylon lock-on
Color
Lavender Haze
Size
X-Large
Wheel Size
29-inch
Cassette/Freewheel
SRAM Eagle XS-1297, T-Type, 10-52, 12 speed
Rotors
SRAM HS2, 6-bolt, 180mm SRAM 6-bolt, 200mm
Wheel Set
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5-29'' Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 27.5'-29'
Front Tire
XS-S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 27.5x2.50'' M - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''

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

Service history

Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.

Inspection

Suspension service

Confirm fork and rear shock service intervals and check pivot bearings for play.

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