Quiver

Trek2026

2026 Trek Fuel+ MX 9.8 Gen 2

TrailE-bike

The 2026 Trek Fuel+ MX 9.8 Gen 2 sits more aggressive than most trail bikes, with a slacker head angle and a shorter rear center. Reach 426 to 527 mm, stack 627 to 668 mm. The Fuel+ MX 9.8 Eagle 90 Gen 2 build comes with SRAM Eagle 90 Transmission shifting and Bontrager Line Comp 30 wheels.

Source: trekbikes.com. Checked .

Key facts

Brand
Trek
Model year
2026
Type
Trail
Geometry labels
S, M, L, XL, and XXL
Drivetrain
Varies by build
Geometry
Complete for every size
Source
trekbikes.com
Checked

Geometry by size

2026 Trek Fuel+ MX 9.8 Gen 2 geometry drawing, size LSide view of the 2026 Trek Fuel+ MX 9.8 Gen 2 frame in size L, drawn to scale from its published geometry, with lettered dimension lines.J 1266A 482mmB 641mmJ 1266mmH 440mmK 31mmC 619mmD 64.2°E 77.0°F 125mmG 420mmN 343mmL 755mm
Geometry drawing, size L, to scale.
2026 Trek Fuel+ MX 9.8 Gen 2 geometry by size
MeasurementSMLXLXXL
Reach(mm)426456482507527
Stack(mm)627627641654668
Head tube angle(°)64.264.264.264.264.2
Seat tube angle(°)77.777.577.076.676.1
Effective top tube(mm)560590619652682
Chainstay length(mm)440440440444449
Wheelbase(mm)12041234126613011332
BB drop(mm)3131313131
BB height(mm)343343343343343
Standover(mm)758752755759769
Seat tube length(mm)370400420455475
Head tube length(mm)110110125140155

Stock build

Fuel+ MX 9.8 Eagle 90 Gen 218 parts

Frame

Trek OCLV
Frame

Suspension

Fox 36 Factory
ForkFrom the manufacturer: Axle to crown 567mm
Fox Float Factory
Rear shockFrom the manufacturer: Tune CL/RM/CMMFrom the manufacturer: Weight 310 g

Drivetrain

ShifterFrom the manufacturer: Speeds 12
SRAM GX Eagle Transmission
CassetteFrom the manufacturer: Freehub body SRAM XD
SRAM GX Eagle
ChainFrom the manufacturer: Compatibility 118L

Powertrain

TQ HPR60-DRV01
MotorFrom the manufacturer: Max torque 60 NmFrom the manufacturer: Peak power 350 W
TQ HPR 580Wh V01
BatteryFrom the manufacturer: Capacity 580 Wh

Wheels & Tires

WheelsetInternal rim width 29mmFrom the manufacturer: Rim material AluminumSpoke count 28From the manufacturer: Tubeless ready
Maxxis Assegai
TireFrom the manufacturer: Bead WTFrom the manufacturer: Tubeless ready

Brakes

SRAM Maven 4-piston Bronze
Brake
SRAM HS2
RotorFrom the manufacturer: Thickness 2mm

Cockpit

Race Face ERA
HandlebarClamp diameter 35mmWidth ~780mmBacksweep 8°From the manufacturer: Upsweep 5°
GripsFrom the manufacturer: Grip diameter 32mm

Seatpost & Saddle

Keep your Fuel+ MX 9.8 Eagle 90 Gen 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

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Fuel+ MX 9.8 XT Di2 Gen 218 parts

Frame

Trek OCLV
Frame

Suspension

Fox 36 Factory
ForkFrom the manufacturer: Axle to crown 567mm
Fox Float Factory
Rear shockFrom the manufacturer: Tune CL/RM/CMMFrom the manufacturer: Weight 310 g

Drivetrain

Powertrain

TQ HPR60-DRV01
MotorFrom the manufacturer: Max torque 60 NmFrom the manufacturer: Peak power 350 W
TQ HPR 580Wh V01
BatteryFrom the manufacturer: Capacity 580 Wh

Wheels & Tires

WheelsetInternal rim width 29mmFrom the manufacturer: Rim material AluminumSpoke count 28From the manufacturer: Tubeless ready
Maxxis Assegai
TireFrom the manufacturer: Bead WTFrom the manufacturer: Tubeless ready

Brakes

Shimano SM-RT86
Rotor

Cockpit

Race Face ERA
HandlebarClamp diameter 35mmWidth ~780mmBacksweep 8°From the manufacturer: Upsweep 5°
GripsFrom the manufacturer: Grip diameter 32mm

Seatpost & Saddle

Keep your Fuel+ MX 9.8 XT Di2 Gen 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Fuel+ MX 9.8 XT Gen 24 parts

Suspension

Fox 36 Factory
ForkFrom the manufacturer: Axle to crown 567mm

Wheels & Tires

WheelsetInternal rim width 29mmFrom the manufacturer: Rim material AluminumSpoke count 28From the manufacturer: Tubeless ready

Cockpit

Race Face ERA
HandlebarClamp diameter 35mmWidth ~780mmBacksweep 8°From the manufacturer: Upsweep 5°

Keep your Fuel+ MX 9.8 XT Gen 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2026 Trek Fuel+ MX 9.8 Gen 2?
Geometry is listed for S, M, L, XL, and XXL.
What are the reach and stack of the 2026 Trek Fuel+ MX 9.8 Gen 2 in size L?
In size L, reach is 482 mm and stack is 641 mm.
What is the head tube angle of the 2026 Trek Fuel+ MX 9.8 Gen 2?
The head tube angle is 64.2 degrees in every size.
What does the 2026 Trek Fuel+ MX 9.8 Eagle 90 Gen 2 ship with?
The stock build includes Trek OCLV, Fox 36 Factory, SRAM Eagle 90 Transmission, and TQ HPR60-DRV01.
Which years of the Trek Fuel+ MX are on Quiver?
Quiver has the Trek Fuel+ MX for 2026 and 2027.

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