Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek Fuel EX 9.9 X01 29
Previous used estimate
$1,821 - $1,873
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 Trek Fuel EX 9.9 X01 29
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
5%
Drops faster than category avg
Price over time - 2018 Trek Fuel EX 9.9 X01 29
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 X01 gives you the top-level performance of our highest-end trail bike frame without the top-level price tag. A trail-tough OCLV Carbon frame, Line Elite wheels, SRAM's workhorse 1x12 drivetrain, and FOX Factory Float suspension give this carbon full suspension mountain bike the versatility to take on any trail adventure, from long days in the backcountry to weeknight rips with your mates. - Fuel EX 9.9 X01 is versatile ripper built for every kind of mountain biking, from fast XC races to burly technical terrain - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - It has all the latest tech that adds up to a great ride, like a 108-tooth Rapid Drive hub, Mino Link adjustable geometry, and Boost148/110 hub spacing
Specifications
- Subtype
- Trail / Enduro
- Category
- Mountain
- Component Fork
- Fox Factory 34 Float, FIT4 3-position damper, E2 tapered steerer, Kashima Coat, G2 Geometry w/51mm offset, Boost110, 130mm travel
- Component Size
- 15.5, 17.5, 18.5, 19.5, 21.5
- Component Stem
- Bontrager Line Pro, 35mm clamp, 0 degree, 60mm length
- Product Family
- Fuel
- Component Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Component Chain
- SRAM GX Eagle
- Component Color
- Matte Dnister Black
- Component Frame
- OCLV Mountain Carbon main frame & stays, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel
- Component Brakes
- Shimano Deore XT M8000 hydraulic disc
- Component Saddle
- Bontrager Evoke RXL, carbon rails
- Component Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Component Cassette
- SRAM XG-1275 Eagle, 10-50, 12 speed
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Component Seat Post
- Bontrager Drop Line, internal routing, 31.6mm (15.5: 100mm; 17.5 & 18.5: 125mm; 19.5 & 21.5: 150mm)
- Component Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40"
- Component Rear Shock
- Fox Factory RE:Aktiv Thru shaft
- Component Tape Grips
- Bontrager Race Lite, lock-on
- Component Bottom Bracket
- PF92
- Rear Shock
- Fox Factory RE:Aktiv Thru shaft
- Bottom Bracket
- PF92
- Chain
- SRAM GX Eagle
- Saddle
- Bontrager Evoke RXL, carbon rails
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Stem
- Bontrager Line Pro, 35mm clamp, 0 degree, 60mm length
- Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Brakes
- Shimano Deore XT M8000 hydraulic disc
- Cassette
- SRAM XG-1275 Eagle, 10-50, 12 speed
- Fork
- Fox Factory 34 Float, FIT4 3-position damper, E2 tapered steerer, Kashima Coat, G2 Geometry w/51mm offset, Boost110, 130mm travel
- Frame
- OCLV Mountain Carbon main frame & stays, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel
- Seat Post
- Bontrager Drop Line, internal routing, 31.6mm (15.5: 100mm; 17.5 & 18.5: 125mm; 19.5 & 21.5: 150mm)
- Tape/Grips
- Bontrager Race Lite, lock-on
- Color
- Matte Dnister Black
- Size
- 21.5
- Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40"
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.