Trek

2020 Trek Fuel EX 9.9 X01 AXS

Previous used estimate

$2,608 - $2,683

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

2020 Trek Fuel EX 9.9 X01 AXS

Value Guide market data · 2020 Trek Fuel EX 9.9 X01 AXS

12-month projected trend

9%

Direction and magnitude, not judgment

vs. category average

8%

Drops faster than category avg

Price over time - 2020 Trek Fuel EX 9.9 X01 AXS

$8.5k$4.7k$979MSRPMSRPYr 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

Overview

About this bike

Fuel EX 9.9 is light, fast, and decked out with top-shelf components. It has a carbon frame, carbon wheels, FOX Factory Float suspension, and a fully wireless SRAM X01 Eagle AXS electronic drivetrain and RockShox Reverb AXS dropper. This is the one carbon full suspension mountain bike that rules every trail—it's fast on 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 marathon races to gnarly descents and technical trails. You're looking for the best frame, suspension, and parts spec available, including the advantage of fully wireless electronic components. The tech you get A light and stiff full OCLV Mountain Carbon frame, 140mm FOX Factory 36 Float fork with GRIP2 damper, 130mm of rear travel with a FOX Factory Float shock featuring Trek's exclusive RE:aktiv with Thru Shaft, and a fully wireless SRAM X01 Eagle AXS 1x12 electronic drivetrain and RockShox Reverb AXS dropper post. Plus, powerful Shimano XT 4-piston hydraulic disc brakes, Tubeless Ready Bontrager Line Carbon 30 wheels with a 54-tooth Rapid Drive rear hub for quick engagement, and a Bontrager Line Pro OCLV Carbon handlebar. An internal storage compartment lets you securely stow ride essentials and doesn't detract from the bike's sleek look. The final word If you can have just one mountain bike, this is it. Fuel EX 9.9 pairs the best OCLV Mountain Carbon frame we make with the highest-end parts on the market, including a wireless electronic drivetrain and dropper. It's equally at home on fast singletrack, gnarly trail, and laying down miles on your next multi-stage race. Why you'll love it - The SRAM X01 Eagle AXS drivetrain is smart, smooth, and completely wireless - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5" wheels, S frames get to choose between 27.5" or 29", and sizes M to XL get 29" wheels - Make it yours: it's fully customizable through Project One

Specifications

Subtype
Trail / Enduro
Category
Mountain
Component Fork
Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 140mm travel
Component Hubs
6-bolt, 54T Rapid Drive, XD Driver
Component Size
X-Small, Small, Medium, Medium/Large, Large, X-Large
Component Stem
Bontrager Line Pro, 35mm, Knock Block, 0 degree XS– S: 40mm length; M–XL: 50mm length
Product Family
Fuel
Component Axles
Front: 110x15mm Rear: 148x12mm
Component Chain
SRAM XX1 Eagle, 12 speed
Component Color
Gloss Purple Phaze/Matte Raw Carbon, Miami Green to Teal Fade, Raw Carbon/Rage Red
Component Frame
OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
Component Brakes
Shimano XT M8120 4-piston hydraulic disc
Component Saddle
Bontrager Arvada, austenite rails, 138mm width
Component Headset
Knock Block Integrated, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Component Crankset
SRAM X01 Eagle AXS Carbon, DUB, Boost XS–SM: 170mm length; M–XL: 175mm length
Component Shifters
SRAM Eagle AXS, wireless, 12-speed
Component Handlebar
Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Component Seat Post
RockShox Reverb AXS, 100mm travel, wireless, 31.6mm XS– S: 340mm length; M–ML: 440mm length; L–XL: 480mm length
Component Chainrings
32T alloy ring
Component Front Tire
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 2.60''
Component Rear Shock
Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab XS–S: 210x52.5mm; S–XL: 210x55mm
Component Tape Grips
Bontrager XR Trail Elite, alloy lock-on
Component Wheel Size
27.5-inch, 29-inch
Component Bottom Bracket
SRAM DUB, 92mm, PressFit
Component Rear Derailleur
SRAM X01 Eagle AXS
Component Accessories Extras
Bontrager BITS Internal Frame Storage Bag
Rear Shock
Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab XS–S: 210x52.5mm; S–XL: 210x55mm
Hubs
6-bolt, 54T Rapid Drive, XD Driver
Crankset
SRAM X01 Eagle AXS Carbon, DUB, Boost XS–SM: 170mm length; M–XL: 175mm length
Bottom Bracket
SRAM DUB, 92mm, PressFit
Chain
SRAM XX1 Eagle, 12 speed
Saddle
Bontrager Arvada, austenite rails, 138mm width
Handlebar
Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Headset
Knock Block Integrated, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Rear Derailleur
SRAM X01 Eagle AXS
Stem
Bontrager Line Pro, 35mm, Knock Block, 0 degree XS– S: 40mm length; M–XL: 50mm length
Accessories & Extras
Bontrager BITS Internal Frame Storage Bag
Axles
Front: 110x15mm Rear: 148x12mm
Brakes
Shimano XT M8120 4-piston hydraulic disc
Chainrings
32T alloy ring
Fork
Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 140mm travel
Frame
OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
Seat Post
RockShox Reverb AXS, 100mm travel, wireless, 31.6mm XS– S: 340mm length; M–ML: 440mm length; L–XL: 480mm length
Shifters
SRAM Eagle AXS, wireless, 12-speed
Tape/Grips
Bontrager XR Trail Elite, alloy lock-on
Color
Raw Carbon/Rage Red
Size
X-Large
Wheel Size
29-inch
Front Tire
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 2.60''

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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