Which size or configuration labels have geometry for the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5?

Geometry is listed for XS, S, M, and L.

What are the reach and stack of the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5 in size M?

In size M, reach is 435 mm and stack is 596 mm.

What is the head tube angle of the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5?

The head tube angle is 65.5 degrees in every size.

Which years of the Specialized Stumpjumper are on Quiver?

Quiver has the Specialized Stumpjumper for 2018, 2024, 2023, 2022, 2021, 2020, 2019, 2016, 2015, 2014, 2012, 2011, 2010, 2009, 2008, 2007, and 2006.

2018 Specialized Stumpjumper Women's Comp Alloy 27.5 geometry and specs

Key facts

Brand: Specialized
Model: Stumpjumper
Model year: 2018
Frame: Women's Comp Alloy 27.5
Type: Trail
Geometry labels: XS, S, M, and L
Drivetrain: Shimano XT
Fork: Fox Float Rhythm
Rear shock: Fox Float DPS Performance
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size S, to scale.

2018 Specialized Stumpjumper Women's Comp Alloy 27.5 geometry by size
Measurement	XS	S	M	L
Reach(mm)	395	415	435	455
Stack(mm)	587	592	596	623
Head tube angle(°)	65.5	65.5	65.5	65.5
Seat tube angle(°)	75.5	75.3	75	74.6
Effective top tube(mm)	547	570	595	627
Chainstay length(mm)	432	432	432	432
Wheelbase(mm)	1135	1157	1179	1212
BB drop(mm)	21	21	21	21
BB height(mm)	336	336	336	336
Standover(mm)	750	752	757	769
Seat tube length(mm)	380	380	410	455
Fork length(mm)	542	542	542	542
Head tube length(mm)	100	105	110	140

How to read a geometry chart

Stock build

15 parts

Suspension

Fox Float Rhythm

ForkWheel size 27.5Front axle / spacing 15x110 (Boost)Offset 44mm

Fox Float DPS Performance

Rear shockEye-to-eye length 210mmStroke 52.5mm

Drivetrain

Shimano SLX

ShifterSpeeds 11

Shimano XT

DerailleurSpeeds 11

Shimano SLX

CassetteSpeeds 12Range 11-46

KMC X-11

ChainSpeeds 11

Race Face Aeffect

CranksetChainring interface CinchSpindle / BB interface Cinch

Wheels & Tires

Specialized Butcher

TireWheel size 27.5Width 2.6Bead FoldingTubeless ready 2Bliss ReadyWeight ~1060 g

Specialized Purgatory

TireWheel size 27.5Width 2.6Tubeless ready 2Bliss Ready

Roval Traverse 27.5

Rim

Brakes

Shimano SLX

BrakePiston count 4

Cockpit

Specialized Sip Grip

Grips

Seatpost & Saddle

X-Fusion Manic

Dropper post

X-Fusion Manic

SeatpostMaterial AluminumClamp style Two-Bolt

Specialized Myth Sport

Saddle

Keep your Stumpjumper Women's Comp Alloy 27.5 in Quiver

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

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

Already have Quiver? Open this build

Sources agreeManufacturer

Keep the factory build and your current parts distinct

Bikes to compare with the Stumpjumper

Same kind of bike with the closest frame angles and proportions. Differences are how each one compares to this bike.

2020 Specialized Stumpjumper ST Alloy 27.5
Close on every number both bikes have.
Compare
2019 Specialized Stumpjumper 27.5 Frameset
Close on every number both bikes have.
Compare
2020 Merida ONE-FORTY
Steeper head angle, more stretched-out position.
Compare
2020 Trek Slash
Close on every number both bikes have.
Compare

Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5?: Geometry is listed for XS, S, M, and L.
What are the reach and stack of the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5 in size M?: In size M, reach is 435 mm and stack is 596 mm.
What is the head tube angle of the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5?: The head tube angle is 65.5 degrees in every size.
What does the 2018 Specialized Stumpjumper Women's Comp Alloy 27.5 ship with?: The stock build includes Fox Float Rhythm, Shimano SLX, Specialized Butcher, and Shimano SLX.
Which years of the Specialized Stumpjumper are on Quiver?: Quiver has the Specialized Stumpjumper for 2018, 2024, 2023, 2022, 2021, 2020, 2019, 2016, 2015, 2014, 2012, 2011, 2010, 2009, 2008, 2007, and 2006.