Which size or configuration labels have geometry for the 2019 Specialized Stumpjumper ST 27.5?

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

What are the reach and stack of the 2019 Specialized Stumpjumper ST 27.5 in size L?

In size L, reach is 465 mm and stack is 618 mm.

What is the head tube angle of the 2019 Specialized Stumpjumper ST 27.5?

The head tube angle is 66.5 degrees in every size.

What does the 2019 Specialized Stumpjumper ST S-Works 27.5 ship with?

The stock build includes Fox FLOAT 34 Factory, SRAM XX1 Eagle, Specialized Butcher, and SRAM Guide RSC.

Which years of the Specialized Stumpjumper ST are on Quiver?

Quiver has the Specialized Stumpjumper ST for 2019, 2020, and 2018.

2019 Specialized Stumpjumper ST 27.5 geometry and specs

Key facts

Brand: Specialized
Model: Stumpjumper ST
Model year: 2019
Frame: 27.5
Type: Trail
Geometry labels: S, M, L, and XL
Drivetrain: SRAM XX1 Eagle
Fork: Fox FLOAT 34 Factory
Rear shock: Fox Float DPS Factory
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size M, to scale.

2019 Specialized Stumpjumper ST 27.5 geometry by size
Measurement	S	M	L	XL
Reach(mm)	425	444	465	490
Stack(mm)	586	590	618	631
Head tube angle(°)	66.5	66.5	66.5	66.5
Seat tube angle(°)	76.3	76	75.6	75.2
Effective top tube(mm)	568	591	624	657
Chainstay length(mm)	432	432	432	432
Wheelbase(mm)	1149	1170	1203	1234
BB drop(mm)	28	28	28	28
BB height(mm)	325	325	325	325
Standover(mm)	731	735	750	766
Seat tube length(mm)	380	410	455	505
Fork length(mm)	522	522	522	522
Head tube length(mm)	105	110	140	155

How to read a geometry chart

Stock build

16 parts

Suspension

Fox FLOAT 34 Factory

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

Fox Float DPS Factory

Rear shockEye-to-eye length 190mmStroke 45mmSpring type AirExternal adjustments DPS

Drivetrain

SRAM XX1 Eagle

ShifterSpeeds 12

SRAM XX1 Eagle

DerailleurSpeeds 12

SRAM X01 Eagle

CassetteSpeeds 12Range 10-50

SRAM XX1 Eagle

ChainSpeeds 12

SRAM XX1 Eagle

CranksetCrank length 170mm

Wheels & Tires

Specialized Butcher

TireWheel size 27.5Width 2.3Bead FoldingTubeless ready 2Bliss ReadyWeight ~1060 g

Specialized Purgatory

TireWheel size 27.5Width 2.3Tubeless ready 2Bliss Ready

Roval Traverse SL

Hub

Roval Traverse SL 27.5

Rim

Brakes

SRAM Guide RSC

BrakeBrake type hydraulic disc

Cockpit

Syntace MegaForce 2

Stem

Specialized Sip Grip

Grips

Seatpost & Saddle

Specialized Command Post IRcc

Seatpost

Specialized Phenom Expert

Saddle

Keep your Stumpjumper ST S-Works 27.5 in Quiver

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Quick answers

Which size or configuration labels have geometry for the 2019 Specialized Stumpjumper ST 27.5?: Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2019 Specialized Stumpjumper ST 27.5 in size L?: In size L, reach is 465 mm and stack is 618 mm.
What is the head tube angle of the 2019 Specialized Stumpjumper ST 27.5?: The head tube angle is 66.5 degrees in every size.
What does the 2019 Specialized Stumpjumper ST S-Works 27.5 ship with?: The stock build includes Fox FLOAT 34 Factory, SRAM XX1 Eagle, Specialized Butcher, and SRAM Guide RSC.
Which years of the Specialized Stumpjumper ST are on Quiver?: Quiver has the Specialized Stumpjumper ST for 2019, 2020, and 2018.