Which size or configuration labels have geometry for the 2018 Trek Fuel EX 9.8 27.5 Plus?

Geometry is listed for S, M, ML, L, and XL.

What are the reach and stack of the 2018 Trek Fuel EX 9.8 27.5 Plus in size ML?

In size ML, reach is 445 mm and stack is 607 mm.

What is the head tube angle of the 2018 Trek Fuel EX 9.8 27.5 Plus?

The head tube angle is 67.2 degrees in every size.

What does the 2018 Trek Fuel EX 9.8 27.5 Plus ship with?

The stock build includes Trek OCLV, Fox 34 Float Performance, SRAM GX Eagle, and DT Swiss M1900.

Which years of the Trek Fuel EX are on Quiver?

Quiver has the Trek Fuel EX for 2018, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, and 2005.

2018 Trek Fuel EX 9.8 27.5 Plus geometry and specs

Key facts

Brand: Trek
Model: Fuel EX
Model year: 2018
Frame: 9.8 27.5 Plus
Type: Trail
Geometry labels: S, M, ML, L, and XL
Drivetrain: SRAM GX Eagle
Fork: Fox 34 Float Performance
Wheels: DT Swiss M1900
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

Geometry drawing, size ML, to scale.

2018 Trek Fuel EX 9.8 27.5 Plus geometry by size
Measurement	S	M	ML	L	XL
Reach(mm)	394	428	445	460	482
Stack(mm)	607	607	607	607	616
Head tube angle(°)	67.2	67.2	67.2	67.2	67.2
Seat tube angle(°)	74.2	74.2	74.2	74.2	74.2
Effective top tube(mm)	545	580	597	612	639
Chainstay length(mm)	433	433	433	433	433
Wheelbase(mm)	1125	1160	1177	1192	1218
BB drop(mm)	26	26	26	26	26
BB height(mm)	334	334	334	334	334
Standover(mm)	759	734	728	722	750
Seat tube length(mm)	394	419	440	470	510
Head tube length(mm)	100	100	100	100	110

How to read a geometry chart

Stock build

16 parts

Frame

Trek OCLV

Frame

Suspension

Fox 34 Float Performance

Fork

Drivetrain

SRAM GX Eagle

ShifterSpeeds 12

SRAM GX Eagle

Derailleur

SRAM GX Eagle

CassetteWeight 452 g

SRAM GX Eagle

ChainCompatibility 118L

SRAM Descendant

CranksetMaterial Aluminum

Trek PF92

Bottom bracket

Wheels & Tires

DT Swiss M1900

WheelsetInternal rim width 35mmSpoke count 32Tubeless ready yesWeight 2080 g

Schwalbe Nobby Nic Performance

Tire

Brakes

SRAM Guide RS

Brake

Cockpit

Bontrager Line

HandlebarMaterial Aluminum

Bontrager Line

StemSteerer diameter 1.5"

Trek Knock Block

HeadsetBearing type Sealed Cartridge

Seatpost & Saddle

Bontrager Line

Seatpost

Bontrager Evoke 3

Saddle

Keep your Fuel EX 9.8 27.5 Plus in Quiver

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Quick answers

Which size or configuration labels have geometry for the 2018 Trek Fuel EX 9.8 27.5 Plus?: Geometry is listed for S, M, ML, L, and XL.
What are the reach and stack of the 2018 Trek Fuel EX 9.8 27.5 Plus in size ML?: In size ML, reach is 445 mm and stack is 607 mm.
What is the head tube angle of the 2018 Trek Fuel EX 9.8 27.5 Plus?: The head tube angle is 67.2 degrees in every size.
What does the 2018 Trek Fuel EX 9.8 27.5 Plus ship with?: The stock build includes Trek OCLV, Fox 34 Float Performance, SRAM GX Eagle, and DT Swiss M1900.
Which years of the Trek Fuel EX are on Quiver?: Quiver has the Trek Fuel EX for 2018, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, and 2005.