Quiver

Specialized2019

2019 Specialized Demo Expert 29

Downhill

The 2019 Specialized Demo Expert 29 sits more upright than most downhill bikes, with a slacker head angle. Reach 425 to 465 mm, stack 633 to 633 mm. The Demo Expert 29 build comes with SRAM GX shifting and Specialized Butcher BLCK DMND tires.

Source: specialized.com. Checked .

Key facts

Model
Demo
Model year
2019
Geometry labels
S2, S3, and S4
Drivetrain
SRAM GX
Geometry
Complete for every size
Source
specialized.com
Checked

Geometry by size

2019 Specialized Demo Expert 29 geometry drawing, size S3Side view of the 2019 Specialized Demo Expert 29 frame in size S3, drawn to scale from its published geometry, with lettered dimension lines.J 1271A 445mmB 633mmJ 1271mmH 450mmK 25mmC 600mmD 62.7°E 76.3°F 105mmG 420mmN 350mmL 760mm
Geometry drawing, size S3, to scale.
2019 Specialized Demo Expert 29 geometry by size
MeasurementS2S3S4
Reach(mm)425445465
Stack(mm)633633633
Head tube angle(°)62.762.762.7
Seat tube angle(°)77.776.376.3
Effective top tube(mm)563600620
Chainstay length(mm)450450450
Wheelbase(mm)125112711291
BB drop(mm)252525
BB height(mm)350350350
Standover(mm)760760760
Seat tube length(mm)394420420
Head tube length(mm)105105105

Stock build

12 parts

Suspension

RockShox BoXXer RC 29
ForkFrom the manufacturer: Wheel size 29From the manufacturer: Front axle / spacing 20x110From the manufacturer: Offset 56mm

Drivetrain

SRAM GX
ShifterFrom the manufacturer: Speeds 10
Derailleur
SRAM PG-1030
CassetteFrom the manufacturer: Speeds 10From the manufacturer: Freehub body Shimano HG
SRAM PC-1031
Chain
CranksetFrom the manufacturer: Crank length 165mmFrom the manufacturer: Material Aluminum

Wheels & Tires

TireFrom the manufacturer: Wheel size 29From the manufacturer: Width 2.6

Brakes

SRAM Code R
Brake

Cockpit

StemFrom the manufacturer: Length 45mm

Seatpost & Saddle

Keep your Demo Expert 29 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

Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2019 Specialized Demo Expert 29?
Geometry is listed for S2, S3, and S4.
What are the reach and stack of the 2019 Specialized Demo Expert 29 in size S3?
In size S3, reach is 445 mm and stack is 633 mm.
What is the head tube angle of the 2019 Specialized Demo Expert 29?
The head tube angle is 62.7 degrees in every size.
What does the 2019 Specialized Demo Expert 29 ship with?
The stock build includes RockShox BoXXer RC 29, SRAM GX, Specialized Butcher BLCK DMND, and SRAM Code R.
Which years of the Specialized Demo are on Quiver?
Quiver has the Specialized Demo for 2019, 2025, 2024, 2023, 2022, 2021, 2020, 2018, 2017, 2016, 2015, 2014, 2012, 2011, 2010, and 2009.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet

Quiver keeps track of the bikes you own.

Free on App StoreFree on Google Play