Trek

2025 Trek Fuel EX 9.8 XT Gen 6

2025 Trek Fuel EX 9.8 XT Gen 6

Value Guide market data · 2025 Trek Fuel EX 9.8 XT Gen 6

12-month trend

22%

Direction and magnitude, not judgment

vs. category average

3%

Drops faster than category avg

Price over time - 2025 Trek Fuel EX 9.8 XT Gen 6

$6.7k$4.5k$2.3kMSRPYr 1Yr 2Yr 3Yr 4Yr 5

Values based on actual sales data. Enter your bike's specifics to get a precise valuation.

All Fuel model years

2025 Fuel EX 9.8 XT Gen 6 lineup

Overview

About this bike

2025 Trek Fuel EX 9.8 XT Gen 6 value depends on condition, original build, frame material, service history, and current buyer demand.

Specifications

Frameset

Fork
Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel
Frame
OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
Rear Shock
Fox Performance Float X, 2-position damper, 185mm x 55mm

Drivetrain

Groupset
Shimano XT
Bottom Bracket
Shimano BB-MT501 BSA
Cassette
Shimano XT M8100, 10-51, 12 speed
Chain
Shimano Ultegra/XT M8100, 12 speed
Crankset
Shimano XT M8120, 30T, 55mm chainline, 170mm length
Rear Derailleur
Shimano XT M8100, long cage
Shifters
Shimano XT M8100, 12 speed

Brakes

Brakes
Shimano XT M8120 4-piston hydraulic disc / Shimano XT M8120 4-piston hydraulic disc // Shimano XT M8120 4-piston hydraulic disc
Rotors
Shimano RT86, 6-bolt, 180mm

Cockpit

Handlebar
Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length / Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise
Headset
Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
Saddle
Bontrager Arvada, austenite rails, 138mm width
Seatpost
Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm / Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length
Grips
Bontrager XR Trail Elite, nylon lock-on

Wheels & Tires

Front Tire
Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 29x2.50''
Hubs
Front: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, Boost148, 12mm thru axle
Rear Tire
Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 29x2.50''
Rims
Shimano RT86, 6-bolt, 180mm , Shimano RT86, 6-bolt, 203mm / Bontrager Line Elite 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Wheel Set
Front: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, XS, S: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, S - XL: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle / Front: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' , Rear: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29''
Wheel Size
29-inch / 27.5-inch

Pedals

Pedals
Sold Separately

Accessories

Accessories & Extras
Bontrager BITS Internal Frame Storage Bag

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

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

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.

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