Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2019 Trek Fuel EX 9.9 29
Previous used estimate
$2,025 - $2,084
Actual value depends on condition, size, and local demand.
Value Guide market data · 2019 Trek Fuel EX 9.9 29
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
5%
Drops faster than category avg
Price over time - 2019 Trek Fuel EX 9.9 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 is our best 130mm trail bike. A carbon frame, carbon wheels, a 1x12 SRAM X01 Eagle drivetrain, and FOX Factory Float suspension make this the one carbon full suspension mountain bike that rules every trail. It's fast on XC singletrack, light on climbs, and stable through the rowdiest terrain you can find. It's right for you if... You're a mountain biker through and through, and want a single carbon bike for the best performance on everything from XC races to gnarly descents and technical trail. You know you'll be riding this bike on every trail, so you're not going to compromise on frame material, suspension, or components. The tech you get A lightweight OCLV Mountain Carbon frame with full carbon stays, Bontrager Line Carbon wheels with a 54-tooth Rapid Drive rear hub for instant engagement, a 1x12 SRAM X01 Eagle drivetrain with a carbon crank, a 130mm FOX Factory Float fork, and 130mm rear travel with a FOX Factory rear shock featuring Trek's exclusive RE:aktiv with Thru Shaft. Plus, a Bontrager Line dropper post, 35mm Bontrager Line Pro OCLV Carbon handlebar. The final word If you can have just one mountain bike, this is it. Fuel EX 9.9 has high-end parts on the best OCLV Mountain Carbon frame we make. It's equally at home on fast singletrack, gnarly trail, and everything in-between. Why you'll love it 1 - Fuel EX 9.9 is the single best choice for riders who want a versatile ripper for every kind of mountain biking, from fast XC races to burly technical terrain 2 - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control 3 - Fuel EX 9.9 hits the sweet spot for high-end performance: you get the best frame and suspension with a premium parts group chosen for value
Specifications
- Subtype
- Trail / Enduro
- Category
- Mountain
- Component Fork
- Fox Factory 34 Float, FIT4 3-position damper, tapered steerer, Kashima Coat, Boost110, G2 Geometry w/51mm offset, 130mm travel
- Component Size
- 15.5-inch, 17.5-inch, 18.5-inch, 19.5-inch, 21.5-inch
- Component Stem
- Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree
- Product Family
- Fuel
- Component Axles
- Front: 15 x 110mm Rear: 12 x 148mm
- Component Chain
- SRAM GX Eagle
- Component Color
- Gloss Purple Phaze/Matte Trek Black, Matte Carbon Smoke/Gloss Trek Black, Radioactive Orange/Trek Black, Viper Red/Trek White, Volt/Solid Charcoal
- 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 M8020 4-piston hydraulic disc
- Component Pedals
- Not included
- Component Saddle
- Bontrager Arvada Pro, carbon rails
- Component Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom
- Component Cassette
- SRAM XG-1275 Eagle, 10-50, 12 speed
- Component Crankset
- SRAM X01 Eagle carbon DUB
- Component Shifters
- SRAM X01 Eagle, 12 speed
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Component Seat Post
- Bontrager Line, internal routing, 31.6mm, 15.5-inch size: 100mm, 17.5-inch & 18.5-inch sizes: 125mm, 19.5-inch & 21.5-inch sizes: 150mm
- Component Chainrings
- 32T Direct Mount
- Component Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40
- Component Rear Shock
- Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm
- Component Tape Grips
- Bontrager XR Trail Elite, alloy lock-on
- Component Bottom Bracket
- SRAM DUB Press Fit, 92mm
- Component Rear Derailleur
- SRAM X01 Eagle, Roller Bearing Clutch
- Rear Shock
- Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm
- Crankset
- SRAM X01 Eagle carbon DUB
- Pedals
- Not included
- Bottom Bracket
- SRAM DUB Press Fit, 92mm
- Chain
- SRAM GX Eagle
- Saddle
- Bontrager Arvada Pro, carbon rails
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom
- Rear Derailleur
- SRAM X01 Eagle, Roller Bearing Clutch
- Stem
- Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree
- Axles
- Front: 15 x 110mm Rear: 12 x 148mm
- Brakes
- Shimano Deore XT M8020 4-piston hydraulic disc
- Cassette
- SRAM XG-1275 Eagle, 10-50, 12 speed
- Chainrings
- 32T Direct Mount
- Fork
- Fox Factory 34 Float, FIT4 3-position damper, tapered steerer, Kashima Coat, Boost110, G2 Geometry w/51mm offset, 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 Line, internal routing, 31.6mm, 15.5-inch size: 100mm, 17.5-inch & 18.5-inch sizes: 125mm, 19.5-inch & 21.5-inch sizes: 150mm
- Shifters
- SRAM X01 Eagle, 12 speed
- Tape/Grips
- Bontrager XR Trail Elite, alloy lock-on
- Color
- Volt/Solid Charcoal
- Size
- 21.5-inch
- 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.