Home / Mountain bikes / Trek / Fuel LX 9.8 Eagle 90 Gen 7 (2026)
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Fuel LX 9.8 Eagle 90 Gen 7 (2026)

2026Carbon29-inchMountain
$11,799.99
at Trek Australia. Sold out, checked 16 Oct 2026.
All Trek prices
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CarbonFrame
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29-inchWheel size
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SRAM Eagle 90 T-Type 1x12Drivetrain
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DiscBrakes
SizesSMLXL2XLWhich size?

OverviewAbout the Trek Fuel LX 9.8 Eagle 90 Gen 7 (2026)

The Trek Fuel LX 9.8 Eagle 90 Gen 7 (2026) is a mountain bike, built on a carbon frame, listed at $11,799.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.

carbondisc braketrailfull suspension

SizingWhat size Fuel LX 9.8 Eagle 90 Gen 7 (2026) do I need?

cm

Enter your height to see the size Trek recommends.

Trek Fuel LX 9.8 Eagle 90 Gen 7 (2026) size chart
SizeRider heightIn feetInseam
S155 to 165 cm5 ft 1 in to 5 ft 5 in74 to 78 cm
M165 to 177 cm5 ft 5 in to 5 ft 10 in79 to 83 cm
L177 to 188 cm5 ft 10 in to 6 ft 2 in84 to 89 cm
XL188 to 195 cm6 ft 2 in to 6 ft 5 in89 to 91 cm
2XL195 to 203 cm6 ft 5 in to 6 ft 8 in91 to 97 cm

Rider heights from Trek's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.

SpecificationsWhat we know

Brand
Trek
Model year
2026
Category
Mountain
Frame
Carbon
Wheel size
29-inch
Drivetrain
SRAM Eagle 90 T-Type 1x12
Brakes
Disc
Frame sizes
S, M, L, XL, 2XL
Price
$11,799.99, RRP AUD (Trek Australia, checked 16 Oct 2026)

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.

GeometrySize M

REACH448STACK633WHEELBASE1,237CHAINSTAY43763.4°77.2°
Trek Fuel LX 9.8 Eagle 90 Gen 7 (2026), size M. Published geometry, drawn to scale.
Stack
633 mm
Reach
448 mm
Stack/reach
1.41
Head angle
63.4 deg
Seat angle
77.2 deg
Wheelbase
1237 mm
Chainstay
437 mm
BB drop
27 mm
Standover
752 mm
Fork rake
44 mm

GearingRatios

0.58lowest (climbing)
3.00highest (speed)
Very low climbing gear

Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.

Drivetrain & buildFull specification

Groupset
SRAM Eagle 90 T-Type
Shifting
Mechanical
Drive
1x
Speeds
12
Crank
SRAM Eagle 90, DUB, 30T steel, T-Type, 55 mm chainline, 170 mm length
Chainrings
30
Cassette
SRAM Eagle XS-1275, T-Type, 10-52, 12-speed
Rear derailleur
SRAM Eagle 90, T-Type
Brakes
SRAM Maven Bronze 4-piston hydraulic disc
Rotors
200/180mm
Wheelset
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29"
Stock tyre
29x2.5
Tubeless
Yes
Fork material
Fox Factory 38, Float EVOL air spring, GRIP X2 damper, 44 mm offset, Boost 110, 15 mm Kabolt X axle, 170 mm travel
BB standard
SRAM DUB MTB Wide, 73 m, BSA threaded
Seatpost
Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
Cockpit
Bontrager Elite, 35 mm, 0-degree, 45 mm length / Race Face ERA, carbon, 35 mm, 27.5 mm rise, 800 mm width
Saddle
Verse Short Pro, carbon rails, 145 mm width
UDH
Yes

SuspensionMTB detail

Front travel
170 mm
Rear travel
160 mm
Fork
Fox Factory 38
Fork stanchions
38 mm
Shock
Fox DHX2
Wheel config
29
Dropper
Bontrager Line Dropper
Dropper travel
170 mm
Discipline
Trail
Suspension
full suspension

Bike DNAWhat the numbers say

Steering
A 63.4 deg head angle points to very slack, built for steep descending.
Climbing
Lowest ratio 0.58 is a very low climbing gear for steep or loaded climbs.

Derived from the published geometry and gearing above. It describes the numbers, not a ride test.

BikeFinder Data Profile: geometry and specification researched from published sources (Trek Australia product data 58935 (spec list, geometry chart, size chart)), verified 2026-10-16. This is a specification analysis, not a physical ride review.

Where to buyStockist

Trek Australia
Sold out, checked 16 Oct 2026
$11,799.99
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BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.