Argon 18 Nitrogen
The Nitrogen brings the aerodynamic DNA of our fastest platforms to a build designed for the discerning racer. It shares the same flow-optimised tube profiles and aggressive road-race geometry as the Pro version, but utilises our Elite-level carbon layup. The result is a high-performance machine tha
Real-World Aero Performance.
Starting from: £5,200

Argon 18 Nitrogen: High-Speed Versatility
The Nitrogen is the ultimate choice for riders who demand aero gains without the complexity of a fully integrated cockpit. By utilising a more traditional stem and handlebar interface, the Nitrogen offers greater fit flexibility and easier maintenance for travel, all while maintaining a clean, internal cable aesthetic. It features the same wider, deeper fork design and dropped seat stays as the Pro model, ensuring you don’t sacrifice an ounce of aerodynamic efficiency. This is a bike built for those who want a competitive edge in every criterium, gran fondo, and weekend sprint.
Key Features
Elite Level Layup
Argon 18's Elite level bikes benefit from the same attention to detail as our Pro level ones.
Road Race Geometry
Argon 18's road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.
Argon 18 Fit System
Argon 18's fit system offers size-specific geometries to provide optimal performance and positioning for all sizes, guaranteeing no rider left behind.
Available Colours
Harvest Moon

Cosmic Teal

| Geometry | XXS 44-46 | XS 47-50 | S 51-53 | M 54-56 | L 57-59 | XL 60-62 |
|---|---|---|---|---|---|---|
|
A
Seat tube Height (cm)
|
39.5 | 42.5 | 46.0 | 50.5 | 55.0 | 59.5 |
|
B
Seat tube angle (deg)
|
75.0 | 74.5 | 74.0 | 73.5 | 73.0 | 72.5 |
|
C
Head Tube Angle (deg)
|
71.2 | 72.1 | 72.7 | 72.7 | 72.7 | 73.0 |
|
D
Top tube length (cm)
|
50.2 | 51.9 | 53.7 | 55.7 | 57.8 | 60.1 |
|
E
Chain stay length (cm)
|
41.0 | 41.0 | 41.0 | 41.0 | 41.0 | 41.0 |
|
F
Wheelbase (cm)
|
96.7 | 97.2 | 97.5 | 99.0 | 100.6 | 102.0 |
|
G
BB Drop (cm)
|
7.1 | 7.5 | 7.9 | 7.9 | 7.9 | 7.9 |
|
H1
Head Tube Length S (cm)
|
8.1 | 9.7 | 11.3 | 13.8 | 16.5 | 19.2 |
|
I
Stand Over Height (cm)
|
68.2 | 70.6 | 73.4 | 77.2 | 81.0 | 84.8 |
|
L
Fork Length (Axle-to-crown) (cm)
|
37.6 | 37.6 | 37.6 | 37.6 | 37.6 | 37.6 |
|
R
Fork Rake (cm)
|
4.9 | 4.9 | 4.5 | 4.5 | 4.5 | 4.5 |
|
J
Stack (cm)
|
48.6 | 50.8 | 53.1 | 55.5 | 58.0 | 60.7 |
|
K
Reach (cm)
|
37.0 | 37.7 | 38.4 | 39.2 | 40.0 | 40.9 |
|
Saddle Height Min (cm)
|
56.5 | 59.5 | 63.0 | 67.5 | 72.0 | 76.5 |
|
Saddle Height Max (cm)
|
71.5 | 74.5 | 78.0 | 82.5 | 87.0 | 91.5 |
Example Builds
Build Options
Shimano 105 Di2
£5,200
- Frame Nitrogen
- Wheels ATTEN L42 wheelset
- Tyres Vittoria Corsa N.EXT TLR 30c
- Tyre Clearance 32c (34mm)
- Groupset Shimano 105 Di2 R7150

Shimano Ultegra Di2
£6,750
- Frame Nitrogen
- Wheels Scope R6.A
- Tyres Vittoria Corsa N.EXT TLR 30c
- Tyre Clearance 32c (34mm)
- Groupset Shimano Ultegra Di2 R8150

SRAM Force AXS E1
£7,300
- Frame Nitrogen
- Wheels Scope R6.A
- Tyres Vittoria Corsa N.EXT TLR 30c
- Tyre Clearance 32c (34mm)
- Groupset SRAM Force AXS E1

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