Which size or configuration labels have geometry for the 2021 Specialized Demo Race Frameset?

Geometry is listed for S2, S3, and S4.

What are the reach and stack of the 2021 Specialized Demo Race Frameset in size S3?

In size S3, reach is 446 mm and stack is 632 mm.

What is the head tube angle of the 2021 Specialized Demo Race Frameset?

The head tube angle is 62.8 degrees in every size.

What does the 2021 Specialized Demo Race Frameset ship with?

The stock build includes RockShox Super Deluxe DH Ultimate and Specialized Henge DH.

Which years of the Specialized Demo are on Quiver?

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

2021

2021 Specialized Demo Race Frameset

Downhill

The 2021 Specialized Demo Race Frameset sits in the middle of the range for downhill bikes, with a slacker head angle. Reach 426 to 466 mm, stack 632 to 632 mm.

Compare with 180+ dh bikes

Source: specialized.com. Checked Oct 7, 2026.

Key facts

Brand: Specialized
Model: Demo
Model year: 2021
Frame: Race Frameset
Type: Downhill
Geometry labels: S2, S3, and S4
Rear shock: RockShox Super Deluxe DH Ultimate
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 7, 2026

Geometry by size

2021 Specialized Demo Race Frameset geometry by size
Measurement	S2	S3	S4
Reach(mm)	426	446	466
Stack(mm)	632	632	632
Head tube angle(°)	62.8	62.8	62.8
Seat tube angle(°)	78.2	76.8	76.8
Seat tube length(mm)	394	420	420
Head tube length(mm)	105	105	105

How to read a geometry chart

Stock build

2 partsFrameset only

Suspension

RockShox Super Deluxe DH Ultimate

Rear shock

Seatpost & Saddle

Specialized Henge DH

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2021 Specialized Demo Race Frameset?: Geometry is listed for S2, S3, and S4.
What are the reach and stack of the 2021 Specialized Demo Race Frameset in size S3?: In size S3, reach is 446 mm and stack is 632 mm.
What is the head tube angle of the 2021 Specialized Demo Race Frameset?: The head tube angle is 62.8 degrees in every size.
What does the 2021 Specialized Demo Race Frameset ship with?: The stock build includes RockShox Super Deluxe DH Ultimate and Specialized Henge DH.
Which years of the Specialized Demo are on Quiver?: Quiver has the Specialized Demo for 2021, 2025, 2024, 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2012, 2011, 2010, and 2009.