Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2024 Trek Fuel EX 9.9 XTR Gen 6
Previous used estimate
$3,407 - $3,505
Actual value depends on condition, size, and local demand.
Value Guide market data · 2024 Trek Fuel EX 9.9 XTR Gen 6
12-month projected trend
13%
Direction and magnitude, not judgment
vs. category average
35%
Drops faster than category avg
Price over time - 2024 Trek Fuel EX 9.9 XTR Gen 6
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fuel model years
Overview
About this bike
Fuel EX 9.9 combines a light and nimble carbon frame with Shimano's best drivetrain and top-shelf suspension for a ride that's ready to rally wherever you point it. It's dripping with high-end upgrades like buttery-smooth Kashima coat, quick-engaging carbon wheels, a super-slick one-piece bar and stem, and handy multi tool hidden in the steerer tube. You want a do-it-all mountain bike that's second to none. You care about it all—from a pristine carbon frame and wheels to the lightest and best drivetrain from Shimano, and you don't want to sacrifice suspension performance for anything. You have good taste, and you know it. A light and stiff OCLV Mountain Carbon frame with a 150mm FOX Factory 36 fork with EVOL air spring and GRIP2 damper and FOX Factory Float rear shock with 2-position damper that makes light work of the gnarliest rock gardens on the mountain. Carbon wheels that keep weight down while offering stiff and reliable tracking through rowdy terrain, and Shimano's finest drivetrain with the lightweight, reliable, and precise XTR component package. Plus, you'll get adjustable geometry for fine-tuning your ride and in-frame storage that lets you keep your setup tidy without leaving behind trail essentials. Fuel EX 9.9 is a top-tier trail bike that's built for riders with an affinity for the finer things in life. It's a complete package, with the industry's best components from the ground up, with Shimano's XTR drivetrain, FOX Factory fork, carbon wheels and frame, and geometry that's ready to be tuned for how you ride. - You can tackle any trail on the mountain with its progressive geometry that makes light work of steep, punchy climbs, and turns around to rally the descents - Its cream of the crop component package has you fully equipped with the finest shifting groupset from Shimano, and buttery-smooth suspension from Fox - It comes with light and stiff carbon wheels that make quick work of technical terrain and keep you on your line, even when things get hairy - With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Small – X-Large: 29-inch
Specifications
- Subtype
- Trail / Enduro
- Category
- Mountain
- Component Fork
- Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel
- Component Rims
- Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
- Component Size
- X-Small, Small, Medium, Medium/Large, Large, X-Large
- Product Family
- Fuel
- Component Chain
- Shimano Dura-Ace/XTR M9100, 12 speed
- Component Color
- Satin Baja Yellow, Mulsanne Blue, Deep Smoke, Dark Aquatic, Lava
- 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
- Shimano XTR M9120 4-piston hydraulic disc
- Component Pedals
- Sold Separately
- Component Rotors
- XS - XL: Shimano RT86, 6-bolt, 180mm M - XL: Shimano RT86, 6-bolt, 203mm
- Component Saddle
- Bontrager Arvada Pro, carbon rails, 138mm width
- Component Headset
- Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
- Component Crankset
- E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length
- Component Seatpost
- XS, S: Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length M - ML: Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length L: Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length XL: Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length
- Component Shifters
- Shimano XTR M9100, 12 speed
- Component Handlebar
- XS, S: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length M - XL: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length
- Component Rear Tire
- XS, S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50'' S - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
- Component Wheel Set
- Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
- Component Front Tire
- XS, S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50'' S - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
- Component Rear Shock
- Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel
- Component Tape Grips
- Bontrager XR Trail Elite, nylon lock-on
- Component Wheel Size
- 27.5-inch, 29-inch
- Component Bottom Bracket
- E*thirteen BB20-P, BSA threaded, 73mm width
- Component Rear Derailleur
- Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
- Component Accessories Extras
- Bontrager BITS Internal Frame Storage Bag
- Component Cassette Freewheel
- Shimano XTR M9101, 10-51, 12 speed
- Rear Shock
- Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel
- Rims
- Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
- Crankset
- E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length
- Pedals
- Sold Separately
- Bottom Bracket
- E*thirteen BB20-P, BSA threaded, 73mm width
- Chain
- Shimano Dura-Ace/XTR M9100, 12 speed
- Seatpost
- XS, S: Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length M - ML: Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length L: Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length XL: Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length
- Saddle
- Bontrager Arvada Pro, carbon rails, 138mm width
- Handlebar
- XS, S: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length M - XL: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length
- Headset
- Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
- Rear Derailleur
- Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
- Rear Tire
- XS, S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50'' S - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
- Accessories & Extras
- Bontrager BITS Internal Frame Storage Bag
- Brakes
- Shimano XTR M9120 4-piston hydraulic disc
- Fork
- Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 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
- Shifters
- Shimano XTR M9100, 12 speed
- Tape/Grips
- Bontrager XR Trail Elite, nylon lock-on
- Color
- Lava
- Size
- X-Large
- Wheel Size
- 29-inch
- Cassette/Freewheel
- Shimano XTR M9101, 10-51, 12 speed
- Rotors
- XS - XL: Shimano RT86, 6-bolt, 180mm M - XL: Shimano RT86, 6-bolt, 203mm
- Wheel Set
- Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
- Front Tire
- XS, S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50'' S - XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
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.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.