Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek Fuel EX 9.8 29
Value Guide market data · 2018 Trek Fuel EX 9.8 29
12-month trend
6%
Direction and magnitude, not judgment
vs. category average
2%
Holds value better than category avg
Price over time - 2018 Trek Fuel EX 9.8 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 9.8 29 lineup
Overview
About this bike
2018 Trek Fuel EX 9.8 29 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Fox Performance 34 Float, GRIP 3-position damper, E2 tapered steerer, G2 Geometry w/51mm offset, Boost110, 130mm travel
- Frame
- OCLV Mountain Carbon main frame & seatstay, alloy chainstay, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, E2 tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel
- Rear Shock
- Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm
Drivetrain
- Groupset
- SRAM GX
- Bottom Bracket
- PF92
- Cassette
- SRAM PG-1130, 11-42, 11 speed
- Chain
- SRAM GX Eagle
- Chainrings
- 32T
- Crankset
- SRAM Descendant 7k Eagle, Direct Mount X-Sync
- Front Derailleur
- Shimano SLX M7020
- Rear Derailleur
- SRAM GX Eagle, Roller Bearing Clutch
- Shifters
- SRAM GX Eagle, 12 speed
Brakes
- Brakes
- SRAM Guide RS hydraulic disc
Cockpit
- 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
- Saddle
- Bontrager Evoke 3, titanium rails
- Seatpost
- Bontrager Drop Line, internal routing, 31.6mm (15.5: 100mm / 17.5 & 18.5: 125mm / 19.5 & 21.5: 150mm)
- Stem
- Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree, 60mm length
- Grips
- Bontrager Race Lite, lock-on
Wheels & Tires
- Axles
- Front: 15 x 110mm, Rear: 12 x 148mm
- Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40"
- Hubs
- Front: Formula Alloy DC511, Rear: Bontrager sealed bearing alloy axle
- Rims
- Bontrager Line Elite 30, Tubeless Ready, 108T Rapid Drive, Boost110 front, Boost148 rear, tubeless strips included, valves sold separately
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.