Which size or configuration labels have geometry for the 2026 Argon 18 Nitrogen Pro Shimano?

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

What is the head tube angle of the 2026 Argon 18 Nitrogen Pro Shimano?

The head tube angle is 72.7 degrees in size M.

What does the 2026 Argon 18 Nitrogen Pro Shimano Dura-Ace Di2 ship with?

The stock build includes Argon 18 Nitrogen, Shimano Dura-Ace R9250, Scope Artech 6.A+, and Shimano Dura-Ace R9270.

Which years of the Argon 18 Nitrogen Pro are on Quiver?

Quiver has the Argon 18 Nitrogen Pro for 2026.

2026 Argon 18 Nitrogen Pro Shimano geometry and specs

Key facts

Brand: Argon 18
Model: Nitrogen Pro
Model year: 2026
Frame: Shimano
Type: Road
Geometry labels: XS, S, M, L, and XL
Drivetrain: Shimano Dura-Ace R9250 Di2
Wheels: Scope Artech 6.A+
Geometry: Some measurements unavailable
Checked: Oct 24, 2026

Ride spectrum

Where the Nitrogen Pro sits among 1,900+ road bikes, on frame geometry.

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Geometry by size

2026 Argon 18 Nitrogen Pro Shimano geometry by size
Measurement	XS	S	M	L	XL
Head tube angle(°)	Not available	72.7	72.7	72.7	73.0
Seat tube angle(°)	74.5	74.0	73.5	73.0	72.5
Effective top tube(mm)	519	Not available	Not available	Not available	Not available
Chainstay length(mm)	Not available	Not available	Not available	410	410
Seat tube length(mm)	Not available	Not available	Not available	Not available	595

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How to read a geometry chart

Stock build

18 parts

Frame

Argon 18 Nitrogen

Frame

Drivetrain

Shimano Dura-Ace R9250

Shifter

Shimano Dura-Ace R9250 Di2

Derailleur

Shimano Dura-Ace R9250 Di2

DerailleurSpeeds 12Actuation type Electronic

Shimano Dura-Ace R9200

Cassette

Shimano XTR M9100

Chain

Shimano Dura-Ace R9200

Crankset

CeramicSpeed T47

Bottom bracket

Wheels & Tires

Scope Artech 6.A+

Wheelset

Vittoria Corsa PRO

TireTubeless ready yes

Brakes

Shimano Dura-Ace R9270

BrakePiston count 2Brake type hydraulic disc

Shimano RT-CL900

RotorWeight 102 g

Shimano RT-CL900

RotorWeight 102 g

Cockpit

Atten CHB-01 Aero

Handlebar

Ciclovation LEATHER TOUCH

Bar tape

CeramicSpeed SLT

HeadsetBearing type Ceramic

Seatpost & Saddle

Argon 18 TDS-C Nitrogen

Seatpost

Repente Quasar CR 2.0

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2026 Argon 18 Nitrogen Pro Shimano?: Geometry is listed for XS, S, M, L, and XL.
What is the head tube angle of the 2026 Argon 18 Nitrogen Pro Shimano?: The head tube angle is 72.7 degrees in size M.
What does the 2026 Argon 18 Nitrogen Pro Shimano Dura-Ace Di2 ship with?: The stock build includes Argon 18 Nitrogen, Shimano Dura-Ace R9250, Scope Artech 6.A+, and Shimano Dura-Ace R9270.
Which years of the Argon 18 Nitrogen Pro are on Quiver?: Quiver has the Argon 18 Nitrogen Pro for 2026.