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
Value Guide market data · 2018 Trek Fuel EX 9.9 X01 29
12-month trend
8%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
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
2026$3,720 - $4,320▼ 55% vs. 2018
2025$10,230 - $11,880▲ 24% vs. 2018
2024$11,625 - $13,500▲ 40% vs. 2018
2023$13,020 - $15,120▲ 57% vs. 2018
2022$8,882 - $10,314▲ 7% vs. 2018
2021$9,812 - $11,394▲ 19% vs. 2018
2020$7,905 - $9,180▼ 4% vs. 2018
2019$7,254 - $8,424▼ 12% vs. 2018
2018$8,277 - $9,612Currently viewing
2017$7,812 - $9,072▼ 6% vs. 2018
2016$7,812 - $9,072▼ 6% vs. 2018
2015$8,789 - $10,206▲ 6% vs. 2018
2014$7,719 - $8,964▼ 7% vs. 2018
2013$7,812 - $9,072▼ 6% vs. 2018
2012$8,686 - $10,087▲ 5% vs. 2018
2011$7,319 - $8,500▼ 12% vs. 2018
2010$6,343 - $7,366▼ 23% vs. 2018
2009$6,650 - $7,722▼ 20% vs. 2018
2008$5,729 - $6,653▼ 31% vs. 2018
2007$1,581 - $1,836▼ 81% vs. 2018
2006$1,953 - $2,268▼ 76% vs. 2018
2005$2,353 - $2,732▼ 72% vs. 2018
2004$4,464 - $5,184▼ 46% vs. 2018
2003$4,092 - $4,752▼ 51% vs. 2018
2002$3,069 - $3,564▼ 63% vs. 2018
2001$2,744 - $3,186▼ 67% vs. 20182018 Fuel EX 9.9 X01 29 lineup
Overview
About this bike
2018 Trek Fuel EX 9.9 X01 29 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Rear Shock
- Fox Factory RE:Aktiv Thru shaft
- 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
Drivetrain
- Groupset
- 2018 Trek Fuel EX 9.9 X01 29
- Bottom Bracket
- PF92
- Chain
- SRAM GX Eagle
- Cassette/Rear Cogs
- SRAM XG-1275 Eagle, 10-50, 12 speed
Brakes
- Brakes
- Shimano Deore XT M8000 hydraulic disc
Cockpit
- Saddle
- Bontrager Evoke RXL, carbon rails
- Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Stem
- Bontrager Line Pro, 35mm clamp, 0 degree, 60mm length
- Handlebars
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- 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
Wheels & Tires
- Tires
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40"
- Axles
- Front: 110 x 15mm<br>Rear: 148 x 12mm
Accessories
- Rims/Wheels
- Bontrager Line Elite 30, Tubeless Ready, 108t Rapid Drive
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.