Which size or configuration labels have geometry for the 2018 Specialized Demo?

Geometry is listed for M, SHORT, LONG, and EXTRA LONG.

What are the reach and stack of the 2018 Specialized Demo in size LONG?

In size LONG, reach is 440 mm and stack is 614 mm.

What is the head tube angle of the 2018 Specialized Demo?

The head tube angle is 63.5 degrees in every size.

What does the 2018 Specialized Demo S-Works 8 ship with?

The stock build includes RockShox BoXXer WC 27.5, SRAM X0 DH, Specialized Butcher, and SRAM Code RSC.

Which years of the Specialized Demo are on Quiver?

Quiver has the Specialized Demo for 2018, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2012, 2011, 2010, and 2009.

2018

2018 Specialized Demo

Downhill

The 2018 Specialized Demo sits more upright than most downhill bikes. Reach 395 to 460 mm, stack 614 to 614 mm. The Demo S-Works 8 build comes with SRAM X01 DH shifting and Specialized Butcher tires.

Compare with 180+ dh bikes

Source: specialized.com. Checked Oct 22, 2026.

Key facts

Brand: Specialized
Model: Demo
Model year: 2018
Type: Downhill
Geometry labels: M, SHORT, LONG, and EXTRA LONG
Drivetrain: SRAM X01 DH
Fork: RockShox BoXXer WC 27.5
Rear shock: Öhlins TTX
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size SHORT, to scale.

2018 Specialized Demo geometry by size
Measurement	M	SHORT	LONG	EXTRA LONG
Reach(mm)	420	395	440	460
Stack(mm)	614	614	614	614
Head tube angle(°)	63.5	63.5	63.5	63.5
Seat tube angle(°)	74	74	74	74
Effective top tube(mm)	596	571	616	636
Chainstay length(mm)	430	430	430	430
Wheelbase(mm)	1208	1183	1228	1248
BB drop(mm)	12	12	12	12
BB height(mm)	342	342	342	342
Standover(mm)	698	698	698	698
Seat tube length(mm)	367	367	367	367
Head tube length(mm)	105	105	105	105

How to read a geometry chart

Stock build

14 parts

Suspension

RockShox BoXXer WC 27.5

ForkOffset 48mm

Öhlins TTX

Rear shock

Drivetrain

SRAM X0 DH

ShifterSpeeds 7

SRAM X01 DH

DerailleurSpeeds 7

SRAM X01 DH

CassetteSpeeds 7Range 10-24

SRAM PC-1130

Chain

SRAM X0 DH

CranksetCrank length 165mm

Specialized Boomslang

Pedals

Wheels & Tires

Specialized Butcher

TireTPI 60 TPIBead FoldingTubeless ready 2Bliss ReadyWeight ~1060 g

DT Swiss 350

Hub

Brakes

SRAM Code RSC

BrakeBrake type hydraulic disc

Cockpit

Specialized two-piece

StemLength 45mm

Specialized Sip Grip

Grips

Seatpost & Saddle

Specialized Phenom Expert

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Demo?: Geometry is listed for M, SHORT, LONG, and EXTRA LONG.
What are the reach and stack of the 2018 Specialized Demo in size LONG?: In size LONG, reach is 440 mm and stack is 614 mm.
What is the head tube angle of the 2018 Specialized Demo?: The head tube angle is 63.5 degrees in every size.
What does the 2018 Specialized Demo S-Works 8 ship with?: The stock build includes RockShox BoXXer WC 27.5, SRAM X0 DH, Specialized Butcher, and SRAM Code RSC.
Which years of the Specialized Demo are on Quiver?: Quiver has the Specialized Demo for 2018, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2012, 2011, 2010, and 2009.